/* =====================================================================
   ELWAHA ACADEMY — design tokens
   Night ink / oasis teal / dune amber / critical red
   ===================================================================== */
:root{
  --ink:#0A1E2B;
  --ink-2:#1A2A35;
  --ink-3:#1E3445;
  --teal:#1A7A9E;
  --teal-2:#156082;
  --amber:#F4B400;
  --red:#E4573D;
  --paper:#F2F5F7;
  --paper-2:#EDF3F7;
  --white:#FFFFFF;
  --text:#0D4F6B;
  --muted:#1A7A9E;
  --line:rgba(13,79,107,.14);
  --primary:#0D4F6B;
  --secondary:#156082;
  --slate:#1A2A35;
  --on-dark:#B8DDE9;
  --glass:rgba(255,255,255,.62);
  --glass-border:rgba(255,255,255,.8);
  --glass-dark:rgba(26,42,53,.55);
  --glass-dark-border:rgba(184,221,233,.16);
  --line-dark:rgba(184,221,233,.14);

  --font-display:'Changa','IBM Plex Sans Arabic',system-ui,sans-serif;
  --font-body:'IBM Plex Sans Arabic','Segoe UI',system-ui,sans-serif;
  --font-mono:'IBM Plex Mono',ui-monospace,Consolas,monospace;

  --radius:14px;
  --radius-sm:8px;
  --container:1180px;
  --ease:cubic-bezier(.22,.8,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  overflow-x:hidden;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
h1,h2,h3{font-family:var(--font-display);line-height:1.15;margin:0 0 .5em;font-weight:700}
h2{font-size:clamp(1.9rem,3.4vw,2.9rem);letter-spacing:-.01em}
h3{font-size:1.35rem}
p{margin:0 0 1em}
b{font-weight:600}
:focus-visible{outline:3px solid var(--amber);outline-offset:3px;border-radius:4px}
.container{max-width:var(--container);margin-inline:auto;padding-inline:clamp(18px,4vw,40px)}

/* ---------- LTR mode ---------- */
html[dir="ltr"] body{font-family:'IBM Plex Sans Arabic','Inter',system-ui,sans-serif}

/* ---------- scroll progress ---------- */
.progress-line{position:fixed;top:0;inset-inline-start:0;height:3px;width:0;background:linear-gradient(90deg,var(--teal),var(--amber));z-index:1000;transition:width .1s linear}

/* =====================================================================
   NAV
   ===================================================================== */
.nav{position:sticky;top:0;z-index:900;background:rgba(14,27,42,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line-dark);color:#fff;transition:background .3s}
.nav.is-scrolled{background:rgba(14,27,42,.94)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--font-display);font-weight:700;font-size:1.25rem;line-height:1}
.brand__mark{width:38px;height:38px;border-radius:9px;background:var(--ink-3);display:grid;align-content:center;gap:4px;padding:8px;border:1px solid var(--line-dark)}
.brand__mark i{display:block;height:4px;border-radius:2px;background:var(--teal);width:70%}
.brand__mark i:nth-child(2){background:var(--amber);width:100%;margin-inline-start:25%}
.brand__mark i:nth-child(3){background:var(--red);width:50%}
.brand__text{display:flex;flex-direction:column;gap:2px}
.brand__text small{font-family:var(--font-body);font-weight:400;font-size:.68rem;opacity:.7;letter-spacing:.02em}
.nav__links{display:flex;gap:28px;font-size:.95rem;font-weight:500}
.nav__links a{position:relative;opacity:.82;transition:opacity .2s;white-space:nowrap}
.nav__links a::after{content:"";position:absolute;inset-inline-start:0;bottom:-6px;height:2px;width:0;background:var(--teal);transition:width .3s var(--ease)}
.nav__links a:hover,.nav__links a.is-active{opacity:1}
.nav__links a:hover::after,.nav__links a.is-active::after{width:100%}
.nav__actions{display:flex;align-items:center;gap:12px}
.lang{background:transparent;border:1px solid var(--line-dark);color:#fff;border-radius:999px;padding:6px 14px;font-family:var(--font-mono);font-size:.8rem;letter-spacing:.06em;transition:border-color .2s,background .2s}
.lang:hover{border-color:var(--teal);background:rgba(22,179,166,.12)}
.burger{display:none;width:42px;height:42px;background:transparent;border:0;flex-direction:column;justify-content:center;gap:5px;align-items:center}
.burger span{width:22px;height:2px;background:#fff;border-radius:2px;transition:transform .3s,opacity .3s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* =====================================================================
   BUTTONS
   ===================================================================== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 26px;border-radius:999px;font-weight:600;font-size:1rem;border:1px solid transparent;transition:transform .25s var(--ease),box-shadow .25s,background .25s,border-color .25s;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn--primary{background:var(--primary);color:#fff;box-shadow:0 10px 26px -10px rgba(13,79,107,.7)}
.btn--primary:hover{background:var(--secondary);box-shadow:0 14px 30px -10px rgba(21,96,130,.8)}
.btn--amber{background:var(--amber);color:#1A2A35;box-shadow:0 10px 26px -10px rgba(244,180,0,.7)}
.btn--amber:hover{background:#FFC42B}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28)}
.btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.06)}
.btn--sm{padding:10px 18px;font-size:.9rem}
.btn--full{width:100%}

/* =====================================================================
   SHARED
   ===================================================================== */
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--teal-2);margin-bottom:14px}
.section--dark .eyebrow,.hero .eyebrow{color:var(--amber)}
.dot{width:8px;height:8px;border-radius:50%;background:currentColor;box-shadow:0 0 0 0 currentColor;animation:ping 2.4s infinite}
@keyframes ping{0%{box-shadow:0 0 0 0 rgba(244,180,0,.5)}70%{box-shadow:0 0 0 10px rgba(244,180,0,0)}100%{box-shadow:0 0 0 0 rgba(244,180,0,0)}}
.section{padding:clamp(70px,9vw,120px) 0;position:relative}
.section--dark{background:var(--ink);color:#fff}
.section--dark p{color:var(--on-dark)}
.section--soft{background:var(--paper-2)}
.section__head{max-width:680px;margin-bottom:clamp(36px,5vw,60px)}
.section__head p:last-child{color:var(--muted);font-size:1.08rem}
.section--dark .section__head p:last-child{color:rgba(255,255,255,.7)}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease);transition-delay:var(--d,0s)}
.reveal.is-in{opacity:1;transform:none}

/* =====================================================================
   HERO
   ===================================================================== */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;padding:clamp(60px,8vw,110px) 0 clamp(70px,8vw,120px)}
.hero__bg{position:absolute;inset:0;pointer-events:none}
.hero__grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 30%,transparent 100%);-webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 30%,transparent 100%)}
.hero__glow{position:absolute;border-radius:50%;filter:blur(60px);opacity:.5;animation:drift 14s ease-in-out infinite alternate}
.hero__glow--a{width:520px;height:520px;background:var(--teal);inset-inline-end:-120px;top:-160px}
.hero__glow--b{width:420px;height:420px;background:var(--amber);inset-inline-start:-140px;bottom:-200px;opacity:.28;animation-delay:-6s}
@keyframes drift{from{transform:translate(0,0) scale(1)}to{transform:translate(40px,30px) scale(1.08)}}
.hero__inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(36px,5vw,72px);align-items:center}
.hero__title{font-size:clamp(2.4rem,4.6vw,4rem);font-weight:800;line-height:1.08;margin:0 0 22px;letter-spacing:-.015em}
.hero__title .line{display:block;overflow:hidden}
.hero__title .line>span{display:block;transform:translateY(110%);animation:rise .9s var(--ease) forwards}
.hero__title .line:nth-child(2)>span{animation-delay:.12s}
.hero__title .line:nth-child(3)>span{animation-delay:.24s}
.line--accent{color:var(--amber)}
@keyframes rise{to{transform:translateY(0)}}
.hero__lead{font-size:1.15rem;color:var(--on-dark);max-width:540px;margin-bottom:30px}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px}
.hero__facts{list-style:none;margin:0;padding:0;display:flex;gap:34px;flex-wrap:wrap}
.hero__facts li{display:flex;flex-direction:column;gap:2px;font-size:.88rem;color:rgba(255,255,255,.65)}
.hero__facts strong{font-family:var(--font-display);font-size:1.7rem;font-weight:700;color:#fff;line-height:1.1;font-variant-numeric:tabular-nums}

/* ---------- Gantt (signature) ---------- */
.gantt{background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));border:1px solid var(--line-dark);border-radius:18px;padding:18px;font-family:var(--font-mono);font-size:.78rem;box-shadow:0 40px 80px -40px rgba(0,0,0,.7);opacity:0;transform:translateY(20px) rotate(-1deg);animation:cardIn 1s var(--ease) .3s forwards;position:relative}
@keyframes cardIn{to{opacity:1;transform:none}}
.gantt__head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;color:rgba(255,255,255,.7)}
.gantt__title{font-family:var(--font-body);font-weight:500}
.gantt__status{display:inline-flex;align-items:center;gap:6px;color:#4FC3F7}
.gantt__status i{width:7px;height:7px;border-radius:50%;background:#4FC3F7;animation:blink 1.4s infinite}
@keyframes blink{50%{opacity:.25}}
.gantt__body{display:grid;grid-template-columns:150px 1fr;gap:10px}
.gantt__labels div{height:34px;display:flex;flex-direction:column;justify-content:center;line-height:1.2;border-bottom:1px dashed rgba(255,255,255,.08)}
.gantt__labels b{color:var(--amber);font-weight:500;font-size:.72rem}
.gantt__labels span{font-family:var(--font-body);color:rgba(255,255,255,.8);font-size:.8rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.gantt__chart{position:relative;padding-bottom:22px}
.gantt__weeks{display:grid;grid-template-columns:repeat(8,1fr);color:rgba(255,255,255,.4);font-size:.68rem;margin-bottom:6px;text-align:center}
.gantt__rows{position:relative;background-image:linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:12.5% 100%}
.grow{height:34px;position:relative;border-bottom:1px dashed rgba(255,255,255,.08)}
.bar{position:absolute;top:9px;height:16px;border-radius:4px;inset-inline-start:calc(var(--s) * 12.5%);width:calc(var(--w) * 12.5% - 4px);transform:scaleX(0);transform-origin:right center;animation:grow .9s var(--ease) forwards;animation-delay:calc(.7s + var(--s) * .12s)}
html[dir="ltr"] .bar{transform-origin:left center}
@keyframes grow{to{transform:scaleX(1)}}
.bar::after{content:"";position:absolute;inset:0;border-radius:inherit;background:repeating-linear-gradient(-45deg,transparent 0 6px,rgba(255,255,255,.12) 6px 8px)}
.bar--teal{background:var(--teal)}
.bar--amber{background:var(--amber)}
.bar--red{background:var(--red);box-shadow:0 0 14px rgba(228,87,61,.6)}
.gantt__datadate{position:absolute;top:0;bottom:0;inset-inline-start:var(--dd,0%);width:2px;background:var(--amber);box-shadow:0 0 12px var(--amber);transition:inset-inline-start 1.8s var(--ease)}
.gantt__datadate span{position:absolute;bottom:-22px;inset-inline-start:6px;background:var(--amber);color:#2B1D02;font-size:.6rem;padding:1px 6px;border-radius:3px;white-space:nowrap;font-weight:500}
.gantt__foot{display:flex;gap:18px;margin-top:14px;padding-top:12px;border-top:1px solid var(--line-dark);color:rgba(255,255,255,.6);font-family:var(--font-body);font-size:.78rem;flex-wrap:wrap}
.gantt__foot span{display:inline-flex;align-items:center;gap:6px}
.sw{width:12px;height:8px;border-radius:2px;display:inline-block}
.sw--teal{background:var(--teal)}.sw--amber{background:var(--amber)}.sw--red{background:var(--red)}
.gantt__pct{margin-inline-start:auto;font-family:var(--font-mono)}
.gantt__pct b{color:#fff}

/* =====================================================================
   TRUST STRIP
   ===================================================================== */
.strip{background:var(--slate);color:rgba(255,255,255,.55);border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark);padding:16px 0;font-size:.85rem}
.strip__inner{display:flex;align-items:center;gap:24px}
.strip__inner>span{white-space:nowrap;font-weight:500}
.strip__track{overflow:hidden;flex:1;mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.strip__items{display:flex;gap:56px;width:max-content;animation:marquee 32s linear infinite;font-family:var(--font-display);font-size:1.05rem;font-weight:600;color:rgba(255,255,255,.7);white-space:nowrap;direction:ltr}
.strip__track:hover .strip__items{animation-play-state:paused}
@keyframes marquee{to{transform:translateX(-50%)}}

/* =====================================================================
   COURSES
   ===================================================================== */
.courses{display:grid;gap:14px}
.course{display:grid;grid-template-columns:120px 1fr 200px;gap:24px;align-items:center;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px;position:relative;overflow:hidden;transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .3s}
.course::before{content:"";position:absolute;inset-inline-start:0;top:0;bottom:0;width:4px;background:var(--teal);transform:scaleY(0);transition:transform .35s var(--ease)}
.course[data-level="2"]::before{background:var(--amber)}
.course[data-level="3"]::before{background:var(--red)}
.course:hover{transform:translateY(-4px);box-shadow:0 30px 50px -30px rgba(14,27,42,.35);border-color:transparent}
.course:hover::before{transform:scaleY(1)}
.course__id{display:flex;flex-direction:column;gap:6px;font-family:var(--font-mono)}
.course__id b{font-size:1.1rem;color:var(--ink);font-weight:500}
.course__id span{font-size:.72rem;padding:3px 10px;border-radius:999px;background:rgba(26,122,158,.14);color:var(--secondary);width:max-content;font-family:var(--font-body);font-weight:500}
.course[data-level="2"] .course__id span{background:rgba(244,180,0,.2);color:#8A6500}
.course[data-level="3"] .course__id span{background:rgba(228,87,61,.14);color:#B33A24}
.course__main h3{margin-bottom:6px}
.course__main p{color:var(--muted);font-size:.98rem;margin-bottom:12px}
.course__meta{list-style:none;padding:0;margin:0;display:flex;gap:26px;flex-wrap:wrap;font-size:.85rem}
.course__meta li{display:flex;flex-direction:column;color:var(--muted)}
.course__meta b{color:var(--text);font-family:var(--font-mono);font-size:.95rem}
.course__side{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.course__bar{width:100%;height:6px;border-radius:3px;background:var(--paper-2);overflow:hidden}
.course__bar span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--teal),var(--teal-2));transition:width 1.4s var(--ease)}
.course.is-in .course__bar span{width:var(--p)}
.course__price{font-family:var(--font-display);display:flex;align-items:baseline;gap:6px}
.course__price b{font-size:1.75rem;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums}
.course__price span{color:var(--muted);font-size:.85rem;font-family:var(--font-body)}

/* =====================================================================
   WBS PATH
   ===================================================================== */
.wbs{display:flex;flex-direction:column;align-items:center;gap:0;position:relative}
.wbs__node{background:var(--ink-2);border:1px solid var(--line-dark);border-radius:var(--radius);padding:24px;position:relative;transition:border-color .3s,transform .35s var(--ease)}
.wbs__node:hover{border-color:rgba(22,179,166,.5);transform:translateY(-4px)}
.wbs__node--root{text-align:center;padding:18px 40px;background:linear-gradient(135deg,var(--secondary),var(--primary));border:0;color:#fff}
.wbs__node--root b{font-family:var(--font-display);font-size:1.3rem;display:block}
.wbs__node--root .wbs__code{color:var(--amber)}
.wbs__code{font-family:var(--font-mono);font-size:.75rem;color:var(--amber);display:block;margin-bottom:6px;letter-spacing:.05em}
.wbs__node>b{font-family:var(--font-display);font-size:1.25rem;display:block;margin-bottom:10px}
.wbs__node ul{list-style:none;padding:0;margin:0 0 14px;display:flex;flex-direction:column;gap:8px;color:rgba(255,255,255,.78);font-size:.95rem}
.wbs__node li{position:relative;padding-inline-start:20px}
.wbs__node li::before{content:"";position:absolute;inset-inline-start:0;top:.7em;width:10px;height:2px;background:var(--teal)}
.wbs__dur{font-family:var(--font-mono);font-size:.75rem;color:rgba(255,255,255,.5)}
.wbs__level{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;width:100%;margin-top:64px;position:relative}
.wbs__level::before{content:"";position:absolute;top:-64px;left:50%;width:2px;height:34px;background:var(--line-dark);transform:translateX(-50%)}
.wbs__level::after{content:"";position:absolute;top:-30px;left:16.66%;right:16.66%;height:2px;background:var(--line-dark)}
.wbs__level .wbs__node::before{content:"";position:absolute;top:-30px;left:50%;width:2px;height:30px;background:var(--line-dark)}

/* =====================================================================
   WHY
   ===================================================================== */
.why{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(40px,6vw,90px);align-items:center}
.why__copy h2{margin-bottom:14px}
.why__copy p{color:var(--muted);font-size:1.08rem;margin-bottom:26px}
.why__list{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.why__list li{display:flex;gap:18px;padding:20px 22px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);transition:transform .3s var(--ease),box-shadow .3s}
.why__list li:hover{transform:translateX(-6px);box-shadow:0 20px 40px -30px rgba(14,27,42,.4)}
html[dir="ltr"] .why__list li:hover{transform:translateX(6px)}
.why__icon{flex:0 0 46px;height:46px;border-radius:12px;background:var(--primary);color:#fff;display:grid;place-items:center}
.why__icon svg{width:22px;height:22px}
.why__list b{display:block;font-family:var(--font-display);font-size:1.1rem;margin-bottom:4px}
.why__list p{margin:0;color:var(--muted);font-size:.95rem}

/* =====================================================================
   TOOL
   ===================================================================== */
.section--tool{background:linear-gradient(180deg,var(--paper-2),var(--paper))}
.tool{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,90px);align-items:center}
.tool__copy p{color:var(--muted);font-size:1.08rem}
.tool__points{list-style:none;padding:0;margin:0 0 28px;display:grid;gap:10px}
.tool__points li{padding-inline-start:30px;position:relative;font-weight:500}
.tool__points li::before{content:"";position:absolute;inset-inline-start:0;top:.35em;width:18px;height:18px;border-radius:50%;background:var(--amber);mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 13l4 4L19 7' fill='none' stroke='%23000' stroke-width='3'/%3E%3C/svg%3E") center/70% no-repeat,linear-gradient(#000,#000);-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 13l4 4L19 7' fill='none' stroke='%23000' stroke-width='3'/%3E%3C/svg%3E") center/70% no-repeat,linear-gradient(#000,#000);-webkit-mask-composite:xor;mask-composite:exclude}
.convert{display:grid;grid-template-columns:1fr 70px 1fr;align-items:center;gap:10px;direction:ltr}
.convert__file{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:0 30px 60px -40px rgba(14,27,42,.5);position:relative}
.convert__ext{font-family:var(--font-mono);font-size:.72rem;font-weight:500;letter-spacing:.1em;padding:3px 9px;border-radius:5px;display:inline-block;margin-bottom:14px}
.convert__file--xls .convert__ext{background:#DCEFE2;color:#1F6B3A}
.convert__file--xer .convert__ext{background:rgba(228,87,61,.14);color:#B33A24}
.convert__rows{display:grid;gap:9px}
.convert__rows i{display:block;height:10px;border-radius:3px;background:var(--paper-2)}
.convert__rows i:nth-child(1){width:90%}.convert__rows i:nth-child(2){width:70%}.convert__rows i:nth-child(3){width:85%}.convert__rows i:nth-child(4){width:60%}.convert__rows i:nth-child(5){width:75%}
.convert__rows--gantt i{background:var(--teal);width:0;animation:barLoop 4s var(--ease) infinite}
.convert__rows--gantt i:nth-child(1){--w:60%;margin-left:0}
.convert__rows--gantt i:nth-child(2){--w:45%;margin-left:25%;animation-delay:.15s;background:var(--amber)}
.convert__rows--gantt i:nth-child(3){--w:50%;margin-left:40%;animation-delay:.3s}
.convert__rows--gantt i:nth-child(4){--w:35%;margin-left:55%;animation-delay:.45s;background:var(--red)}
.convert__rows--gantt i:nth-child(5){--w:30%;margin-left:70%;animation-delay:.6s;background:var(--amber)}
@keyframes barLoop{0%,15%{width:0}45%,85%{width:var(--w)}100%{width:0}}
.convert__arrow{position:relative;display:grid;place-items:center;color:var(--teal-2)}
.convert__arrow svg{width:36px;height:36px;transform:rotate(180deg)}
.convert__pulse{position:absolute;width:56px;height:56px;border-radius:50%;border:2px solid var(--teal);animation:pulse 2s ease-out infinite}
@keyframes pulse{0%{transform:scale(.5);opacity:.9}100%{transform:scale(1.6);opacity:0}}
.convert__caption{text-align:center;font-family:var(--font-mono);font-size:.8rem;color:var(--muted);margin-top:18px}

/* =====================================================================
   REVIEWS
   ===================================================================== */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review{margin:0;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;justify-content:space-between;gap:20px;position:relative;transition:transform .3s var(--ease),box-shadow .3s}
.review:hover{transform:translateY(-4px);box-shadow:0 30px 50px -30px rgba(14,27,42,.35)}
.review::before{content:"“";position:absolute;top:8px;inset-inline-end:22px;font-family:var(--font-display);font-size:5rem;line-height:1;color:var(--teal);opacity:.18}
.review blockquote{margin:0;font-size:1.02rem;line-height:1.8}
.review figcaption{display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--line);padding-top:14px}
.review figcaption b{font-family:var(--font-display)}
.review figcaption span{font-size:.85rem;color:var(--muted)}

/* =====================================================================
   FAQ
   ===================================================================== */
.faq{display:grid;grid-template-columns:1fr 1.4fr;gap:clamp(30px,5vw,80px);align-items:start}
.faq__list{display:grid;gap:10px}
.faq details{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);padding:0 22px;transition:border-color .2s}
.faq details[open]{border-color:var(--teal)}
.faq summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:600;font-family:var(--font-display);font-size:1.05rem;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--font-mono);color:var(--teal-2);font-size:1.4rem;transition:transform .3s var(--ease);flex:none}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:0 0 20px;color:var(--muted)}

/* =====================================================================
   ENROLL
   ===================================================================== */
.enroll{background:radial-gradient(ellipse 60% 80% at 100% 0%,rgba(22,179,166,.25),transparent),var(--ink)}
.enroll__inner{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,90px);align-items:center}
.enroll__copy p{font-size:1.1rem}
.enroll__wa{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:500;padding:12px 18px;border:1px solid var(--line-dark);border-radius:999px;transition:border-color .2s,background .2s}
.enroll__wa:hover{border-color:#25D366;background:rgba(37,211,102,.1)}
.enroll__wa svg{width:22px;height:22px;color:#25D366}
.form{background:rgba(255,255,255,.04);border:1px solid var(--line-dark);border-radius:18px;padding:30px;display:grid;gap:16px;backdrop-filter:blur(8px)}
.form label{display:grid;gap:6px;font-size:.88rem;color:rgba(255,255,255,.7)}
.form input,.form select{width:100%;padding:13px 16px;border-radius:10px;border:1px solid var(--line-dark);background:rgba(14,27,42,.6);color:#fff;font:inherit;transition:border-color .2s,box-shadow .2s}
.form input:focus,.form select:focus{outline:0;border-color:var(--teal);box-shadow:0 0 0 3px rgba(22,179,166,.2)}
.form select option{color:var(--text)}
.form input.is-invalid{border-color:var(--red)}
.form__note{margin:0;text-align:center;color:var(--amber);font-weight:500}

/* =====================================================================
   FOOTER
   ===================================================================== */
.footer{background:#071720;color:rgba(255,255,255,.7);padding:64px 0 28px;font-size:.93rem}
.footer__inner{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid var(--line-dark)}
.footer__brand .brand{color:#fff;margin-bottom:14px}
.footer__brand p{max-width:300px}
.footer__col{display:flex;flex-direction:column;gap:10px}
.footer__col b{color:#fff;font-family:var(--font-display);margin-bottom:6px}
.footer__col a{transition:color .2s}
.footer__col a:hover{color:var(--teal)}
.footer__social{display:flex;gap:10px;margin-top:8px}
.footer__social a{width:36px;height:36px;border-radius:9px;border:1px solid var(--line-dark);display:grid;place-items:center;transition:border-color .2s,color .2s}
.footer__social a:hover{border-color:var(--teal);color:var(--teal)}
.footer__social svg{width:17px;height:17px}
.footer__bottom{display:flex;justify-content:space-between;padding-top:24px;font-size:.82rem;color:rgba(255,255,255,.45);flex-wrap:wrap;gap:10px}
.footer__mono{font-family:var(--font-mono);direction:ltr}

/* =====================================================================
   RESPONSIVE
   ===================================================================== */
@media (max-width:1024px){
  .hero__inner{grid-template-columns:1fr}
  .gantt{max-width:640px}
  .reviews{grid-template-columns:1fr}
  .footer__inner{grid-template-columns:1fr 1fr}
  .wbs__level{grid-template-columns:1fr;margin-top:40px}
  .wbs__level::after{display:none}
  .wbs__level::before{top:-40px;height:40px}
  .wbs__level .wbs__node::before{display:none}
}
@media (max-width:1120px) and (min-width:861px){
  .nav__links{gap:18px;font-size:.88rem}
  .nav__inner{gap:14px}
  .brand__text small{display:none}
}
@media (max-width:860px){
  .nav__links{position:fixed;top:72px;inset-inline:0;background:var(--ink);flex-direction:column;gap:0;padding:10px 0 20px;border-bottom:1px solid var(--line-dark);transform:translateY(-12px);opacity:0;pointer-events:none;transition:transform .3s var(--ease),opacity .3s}
  .nav__links.is-open{transform:none;opacity:1;pointer-events:auto}
  .nav__links a{padding:14px clamp(18px,4vw,40px);font-size:1.05rem}
  .nav__links a::after{display:none}
  .burger{display:flex}
  .nav__actions .btn{display:none}
  .why,.tool,.faq,.enroll__inner{grid-template-columns:1fr}
  .course{grid-template-columns:1fr;gap:16px}
  .course__side{flex-direction:row;align-items:center;justify-content:space-between;flex-wrap:wrap}
  .course__bar{order:3;width:100%}
  .gantt__body{grid-template-columns:110px 1fr}
  .gantt__labels span{font-size:.72rem}
  .strip__inner>span{display:none}
}
@media (max-width:560px){
  body{font-size:16px}
  .hero__facts{gap:22px}
  .footer__inner{grid-template-columns:1fr}
  .form{padding:22px}
  .gantt{padding:14px}
  .gantt__body{grid-template-columns:90px 1fr}
}

/* =====================================================================
   REDUCED MOTION
   ===================================================================== */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
  .bar{transform:none}
  .hero__title .line>span{transform:none}
  .gantt{opacity:1;transform:none}
  .convert__rows--gantt i{width:var(--w)}
}

/* =====================================================================
   INNER PAGES
   ===================================================================== */
.courses__more{text-align:center;margin:30px 0 0}
.page-hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;padding:clamp(56px,7vw,90px) 0 clamp(40px,5vw,60px)}
.page-hero__inner{position:relative;max-width:820px}
.page-hero__title{font-size:clamp(2.1rem,4.2vw,3.4rem);font-weight:800;margin-bottom:16px}
.page-hero__lead{font-size:1.12rem;color:rgba(255,255,255,.74);max-width:600px;margin-bottom:28px}
.filters{display:flex;gap:8px;flex-wrap:wrap}
.filter{background:transparent;border:1px solid var(--line-dark);color:rgba(255,255,255,.8);padding:8px 18px;border-radius:999px;font-weight:500;font-size:.92rem;transition:background .2s,border-color .2s,color .2s}
.filter:hover{border-color:var(--teal)}
.filter.is-on{background:var(--amber);border-color:var(--amber);color:var(--slate)}

.cgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ccard{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;gap:12px;position:relative;overflow:hidden;transition:transform .35s var(--ease),box-shadow .35s}
.ccard::before{content:"";position:absolute;top:0;inset-inline:0;height:4px;background:var(--teal)}
.ccard[data-level="2"]::before{background:var(--amber)}
.ccard[data-level="3"]::before{background:var(--red)}
.ccard:hover{transform:translateY(-5px);box-shadow:0 30px 50px -30px rgba(14,27,42,.35)}
.ccard.is-hidden{display:none}
.ccard__head{display:flex;justify-content:space-between;align-items:center}
.ccard__id{font-family:var(--font-mono);font-size:1rem;color:var(--ink)}
.ccard__lv{font-size:.74rem;padding:3px 10px;border-radius:999px;background:rgba(26,122,158,.14);color:var(--secondary);font-weight:500}
.ccard[data-level="2"] .ccard__lv{background:rgba(244,180,0,.2);color:#8A6500}
.ccard[data-level="3"] .ccard__lv{background:rgba(228,87,61,.14);color:#B33A24}
.ccard h2{font-size:1.35rem;margin:0}
.ccard>p{color:var(--muted);font-size:.96rem;margin:0}
.ccard__meta{list-style:none;margin:0;padding:12px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;gap:26px}
.ccard__meta li{display:flex;flex-direction:column;font-size:.8rem;color:var(--muted)}
.ccard__meta b{font-family:var(--font-mono);font-size:1.05rem;color:var(--text)}
.ccard__outline summary{cursor:pointer;list-style:none;font-weight:600;color:var(--teal-2);font-size:.92rem;display:flex;align-items:center;gap:8px}
.ccard__outline summary::-webkit-details-marker{display:none}
.ccard__outline summary::before{content:"+";font-family:var(--font-mono);font-size:1.1rem;transition:transform .3s}
.ccard__outline[open] summary::before{transform:rotate(45deg)}
.ccard__outline ol{margin:10px 0 0;padding-inline-start:0;list-style:none;counter-reset:o;display:grid;gap:6px;font-size:.9rem;color:var(--text)}
.ccard__outline li{counter-increment:o;display:flex;gap:10px}
.ccard__outline li::before{content:counter(o,decimal-leading-zero);font-family:var(--font-mono);color:var(--amber);flex:none}
.ccard__foot{margin-top:auto;display:flex;justify-content:space-between;align-items:center;padding-top:6px}
.cgrid__empty{text-align:center;color:var(--muted);padding:40px 0}

.bundle__inner{display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:center;background:var(--ink-2);border:1px solid var(--line-dark);border-radius:20px;padding:clamp(28px,4vw,48px)}
.bundle__price{display:flex;flex-direction:column;align-items:flex-start;gap:8px;justify-self:end}
.bundle__old{font-family:var(--font-mono);color:rgba(255,255,255,.4);text-decoration:line-through}
.bundle .course__price b{color:#fff;font-size:2.4rem}
.bundle .course__price span{color:rgba(255,255,255,.6)}

/* ---- tool page ---- */
.term{background:#0A1420;border:1px solid var(--line-dark);border-radius:16px;font-family:var(--font-mono);font-size:.8rem;direction:ltr;text-align:left;box-shadow:0 40px 80px -40px rgba(0,0,0,.7);overflow:hidden}
.term__bar{display:flex;align-items:center;gap:7px;padding:12px 16px;border-bottom:1px solid var(--line-dark);color:rgba(255,255,255,.5)}
.term__bar i{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.15)}
.term__bar i:first-child{background:var(--red)}.term__bar i:nth-child(2){background:var(--amber)}.term__bar i:nth-child(3){background:var(--teal)}
.term__bar span{margin-left:auto}
.term__body{margin:0;padding:18px;min-height:250px;color:rgba(255,255,255,.85);line-height:1.7;white-space:pre-wrap;font-family:inherit}
.term__body .ok{color:var(--teal)}.term__body .warn{color:var(--amber)}.term__body .dim{color:rgba(255,255,255,.4)}
.term__foot{display:flex;align-items:center;gap:12px;padding:12px 18px;border-top:1px solid var(--line-dark);color:#fff}
.term__prog{flex:1;height:6px;border-radius:3px;background:rgba(255,255,255,.1);overflow:hidden}
.term__prog span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--teal),var(--amber));transition:width .4s var(--ease)}
.feats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .3s var(--ease),box-shadow .3s}
.feat:hover{transform:translateY(-4px);box-shadow:0 30px 50px -30px rgba(14,27,42,.35)}
.feat__icon{width:46px;height:46px;border-radius:12px;background:var(--primary);color:#fff;display:grid;place-items:center;margin-bottom:16px}
.feat__icon svg{width:22px;height:22px}
.feat h3{font-size:1.15rem;margin-bottom:6px}
.feat p{margin:0;color:var(--muted);font-size:.95rem}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{background:var(--ink-2);border:1px solid var(--line-dark);border-radius:var(--radius);padding:26px}
.step__n{font-family:var(--font-mono);font-size:2rem;color:var(--amber);display:block;margin-bottom:12px;line-height:1}
.step h3{font-size:1.1rem;margin-bottom:6px}
.step p{margin:0;font-size:.93rem}
.dl{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center}
.dl__card h2{margin-bottom:12px}
.dl__card p{color:var(--muted);font-size:1.05rem}
.btn--dark{color:var(--ink);border-color:var(--line)}
.btn--dark:hover{border-color:var(--ink);background:rgba(14,27,42,.05)}
.req{margin:0;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.req div{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);padding:14px 16px}
.req dt{font-size:.78rem;color:var(--muted);margin-bottom:4px}
.req dd{margin:0;font-family:var(--font-mono);font-size:.92rem;direction:ltr;text-align:start}
@media (max-width:1024px){.cgrid{grid-template-columns:1fr 1fr}.feats{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr 1fr}}
@media (max-width:860px){.bundle__inner,.dl{grid-template-columns:1fr}.bundle__price{justify-self:start}}
@media (max-width:640px){.cgrid,.feats,.steps{grid-template-columns:1fr}}

/* =====================================================================
   GLASS SKIN
   ===================================================================== */
body{position:relative;background:linear-gradient(180deg,#F2F5F7,#E9F0F4)}
body::before,body::after{content:"";position:fixed;z-index:-1;border-radius:50%;pointer-events:none;will-change:transform}
body::before{width:60vw;height:60vw;max-width:800px;max-height:800px;background:radial-gradient(circle,rgba(21,96,130,.22),rgba(21,96,130,0) 70%);top:-10vw;inset-inline-end:-15vw}
body::after{width:50vw;height:50vw;max-width:700px;max-height:700px;background:radial-gradient(circle,rgba(244,180,0,.2),rgba(244,180,0,0) 70%);bottom:-15vw;inset-inline-start:-15vw}
.section{background:transparent}
.section--soft{background:rgba(237,243,247,.55)}
.section--tool{background:transparent}
.section--dark,.enroll{background:linear-gradient(160deg,#0A1E2B,#132A38 60%,#0F2432)}
.hero{background:linear-gradient(160deg,#0A1E2B,#0D2A3A)}
.hero__glow--a{background:var(--secondary);opacity:.55}
.hero__glow--b{background:var(--amber);opacity:.22}

.course,.ccard,.feat,.review,.why__list li,.faq details,.convert__file,.req div,.dl__card{background:var(--glass);border:1px solid var(--glass-border);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 10px 30px -18px rgba(13,79,107,.35),inset 0 1px 0 rgba(255,255,255,.9)}
.dl__card{padding:32px;border-radius:20px}
.course:hover,.ccard:hover,.feat:hover,.review:hover{border-color:rgba(255,255,255,1);background:rgba(255,255,255,.8)}
.faq details[open]{border-color:var(--secondary)}

.gantt,.term,.wbs__node,.step,.form,.bundle__inner{background:var(--glass-dark);border:1px solid var(--glass-dark-border);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 30px 60px -35px rgba(0,0,0,.7),inset 0 1px 0 rgba(184,221,233,.12)}
.wbs__node--root{background:linear-gradient(135deg,var(--secondary),var(--primary));border:0;backdrop-filter:none}
.wbs__node:hover{border-color:rgba(244,180,0,.5)}
.form input,.form select{background:rgba(10,30,43,.55);border-color:var(--glass-dark-border)}
.form input:focus,.form select:focus{border-color:var(--amber);box-shadow:0 0 0 3px rgba(244,180,0,.2)}
.nav{background:rgba(10,30,43,.6)}
.nav.is-scrolled{background:rgba(10,30,43,.85)}
.lang:hover{border-color:var(--amber);background:rgba(244,180,0,.12)}
.nav__links a::after{background:var(--amber)}
.progress-line{background:linear-gradient(90deg,var(--secondary),var(--amber))}
.brand__mark{background:rgba(255,255,255,.08)}
.brand__mark i{background:#4FC3F7}
.brand__mark i:nth-child(2){background:var(--amber)}
.brand__mark i:nth-child(3){background:#fff}
.course__bar span{background:linear-gradient(90deg,var(--secondary),var(--primary))}
.term__prog span{background:linear-gradient(90deg,var(--secondary),var(--amber))}
.term__body .ok{color:#4FC3F7}
.bar--teal{background:var(--secondary)}
.sw--teal{background:var(--secondary)}
.eyebrow{color:var(--secondary)}
.section--dark .eyebrow,.hero .eyebrow{color:var(--amber)}
.ccard__outline summary{color:var(--secondary)}
.faq summary::after{color:var(--secondary)}
.review::before{color:var(--secondary)}
.wbs__node li::before{background:var(--amber)}
.footer__col a:hover,.footer__social a:hover{color:var(--amber);border-color:var(--amber)}

/* =====================================================================
   AUTH / SIMULATOR / BANK / ACCOUNT
   ===================================================================== */
.user-chip{display:inline-flex;align-items:center;gap:8px;padding:4px 12px 4px 4px;border-radius:999px;border:1px solid var(--glass-dark-border);background:rgba(255,255,255,.06);color:#fff;font-weight:500;font-size:.9rem;transition:border-color .2s}
html[dir="ltr"] .user-chip{padding:4px 4px 4px 12px;flex-direction:row-reverse}
.user-chip:hover{border-color:var(--amber)}
.avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--amber),#FFD75E);color:var(--slate);display:grid;place-items:center;font-family:var(--font-display);font-weight:700;font-size:.85rem;flex:none}
.avatar--xl{width:72px;height:72px;font-size:1.6rem}
.toast{position:fixed;bottom:24px;inset-inline-start:50%;transform:translate(50%,20px);background:var(--slate);color:#fff;padding:12px 20px;border-radius:999px;font-weight:500;opacity:0;pointer-events:none;transition:opacity .3s,transform .3s var(--ease);z-index:1200;box-shadow:0 20px 40px -20px rgba(0,0,0,.6);border:1px solid var(--glass-dark-border)}
html[dir="ltr"] .toast{transform:translate(-50%,20px)}
.toast.is-on{opacity:1;transform:translate(50%,0)}
html[dir="ltr"] .toast.is-on{transform:translate(-50%,0)}
.tag{display:inline-block;font-size:.74rem;padding:3px 10px;border-radius:999px;background:rgba(26,122,158,.14);color:var(--secondary);font-weight:500}
.tag--exam{background:rgba(244,180,0,.2);color:#8A6500}
.tag--pass{background:rgba(22,163,74,.14);color:#15803D}
.tag--fail{background:rgba(228,87,61,.14);color:#B33A24}
.mono{font-family:var(--font-mono);font-size:.85rem}
.ic{width:34px;height:34px;border-radius:8px;border:1px solid var(--line);background:transparent;color:var(--secondary);display:inline-grid;place-items:center;transition:background .2s,color .2s}
.ic svg{width:16px;height:16px}
.ic:hover{background:rgba(21,96,130,.1)}
.ic--danger{color:#B33A24}
.ic--danger:hover{background:rgba(228,87,61,.12)}

/* ---- login ---- */
.auth-body{min-height:100vh;display:grid;place-items:center;background:linear-gradient(160deg,#0A1E2B,#0D2A3A);padding:30px 18px}
.auth-body::before{background:radial-gradient(circle,rgba(21,96,130,.5),transparent 70%)}
.auth-body::after{background:radial-gradient(circle,rgba(244,180,0,.25),transparent 70%)}
.auth{width:100%;max-width:440px;display:flex;flex-direction:column;align-items:center;gap:22px}
.auth__brand{color:#fff}
.auth__card{width:100%;background:var(--glass-dark);border:1px solid var(--glass-dark-border);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-radius:22px;padding:28px;color:#fff;box-shadow:0 40px 80px -40px rgba(0,0,0,.8)}
.auth__tabs{display:grid;grid-template-columns:1fr 1fr;background:rgba(10,30,43,.6);border-radius:12px;padding:4px;margin-bottom:22px}
.auth__tab{background:transparent;border:0;color:var(--on-dark);padding:10px;border-radius:9px;font-weight:600;transition:background .2s,color .2s}
.auth__tab.is-on{background:var(--amber);color:var(--slate)}
.gbtn{width:100%;display:flex;align-items:center;justify-content:center;gap:12px;background:#fff;color:#1f1f1f;border:0;border-radius:12px;padding:13px;font-weight:600;transition:transform .2s,box-shadow .2s}
.gbtn:hover{transform:translateY(-2px);box-shadow:0 12px 30px -12px rgba(0,0,0,.6)}
.auth__or{display:flex;align-items:center;gap:12px;color:var(--on-dark);font-size:.85rem;margin:18px 0}
.auth__or::before,.auth__or::after{content:"";flex:1;height:1px;background:var(--glass-dark-border)}
.auth__form{display:grid;gap:14px}
.auth__form label{display:grid;gap:6px;font-size:.88rem;color:var(--on-dark)}
.auth__form input{width:100%;padding:13px 16px;border-radius:10px;border:1px solid var(--glass-dark-border);background:rgba(10,30,43,.6);color:#fff;font:inherit}
.auth__form input:focus{outline:0;border-color:var(--amber);box-shadow:0 0 0 3px rgba(244,180,0,.2)}
.auth__err{margin:0;color:#FF8A73;font-size:.88rem}
.auth__note{margin:18px 0 0;font-size:.8rem;color:var(--on-dark);opacity:.8;text-align:center}
.auth__back a{color:var(--on-dark);font-size:.9rem}
.gmodal{position:fixed;inset:0;background:rgba(0,0,0,.55);display:grid;place-items:center;z-index:1100;padding:18px}
.gmodal__box{background:#fff;color:#1f1f1f;border-radius:22px;width:100%;max-width:400px;padding:26px;direction:ltr;text-align:left;font-family:'IBM Plex Sans Arabic',Roboto,Arial,sans-serif;box-shadow:0 40px 80px -30px rgba(0,0,0,.7)}
.gmodal__head{display:flex;gap:12px;align-items:center;margin-bottom:18px}
.gmodal__head div{display:flex;flex-direction:column;line-height:1.3}
.gmodal__head span{font-size:.85rem;color:#5f6368}
.gmodal__list{list-style:none;margin:0;padding:0;border-top:1px solid #e0e0e0}
.gmodal__list button{width:100%;display:flex;align-items:center;gap:14px;padding:12px 6px;background:transparent;border:0;border-bottom:1px solid #e0e0e0;text-align:left;cursor:pointer}
.gmodal__list button:hover{background:#f5f5f5}
.gmodal__list span{display:flex;flex-direction:column}
.gmodal__list small{color:#5f6368}
.gmodal__list .avatar{background:#1A73E8;color:#fff}
.gmodal__other{display:flex;gap:8px;margin-top:16px}
.gmodal__other input{flex:1;padding:10px 12px;border:1px solid #dadce0;border-radius:8px;font:inherit}
.gmodal__close{margin-top:14px;background:transparent;border:0;color:#1A73E8;font-weight:600;cursor:pointer}

/* ---- simulator ---- */
.page-hero--sim{padding-bottom:clamp(40px,5vw,60px)}
.sim__view{display:none}
.sim__view.is-on{display:block}
.sim__setup{display:grid;grid-template-columns:1.4fr 1fr;gap:28px;padding:40px 0 70px;align-items:start}
.sim__exams{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.exam-pick{text-align:start;background:var(--glass);border:1px solid var(--glass-border);backdrop-filter:blur(10px);border-radius:var(--radius);padding:18px;display:flex;flex-direction:column;gap:4px;transition:transform .25s var(--ease),border-color .2s,box-shadow .25s;position:relative}
.exam-pick:hover{transform:translateY(-3px)}
.exam-pick.is-on{border-color:var(--amber);box-shadow:0 0 0 3px rgba(244,180,0,.25),0 20px 40px -30px rgba(13,79,107,.5)}
.exam-pick.is-on::after{content:"✓";position:absolute;top:12px;inset-inline-end:12px;width:22px;height:22px;border-radius:50%;background:var(--amber);color:var(--slate);font-size:.8rem;display:grid;place-items:center;font-weight:700}
.exam-pick__code{font-family:var(--font-mono);font-size:.75rem;color:var(--secondary)}
.exam-pick b{font-family:var(--font-display);font-size:1.2rem;color:var(--primary)}
.exam-pick small{color:var(--muted);font-size:.85rem}
.exam-pick__meta{font-family:var(--font-mono);font-size:.72rem;color:var(--muted);margin-top:8px;direction:ltr;text-align:start}
.sim__opts{background:var(--glass);border:1px solid var(--glass-border);backdrop-filter:blur(10px);border-radius:18px;padding:24px;display:grid;gap:18px;position:sticky;top:90px}
.sim__opt{display:grid;gap:8px}
.sim__opt>span{font-size:.85rem;color:var(--muted);font-weight:500}
.seg{display:flex;background:rgba(13,79,107,.08);border-radius:10px;padding:4px;gap:4px;flex-wrap:wrap}
.seg button{flex:1;border:0;background:transparent;padding:9px 10px;border-radius:8px;font-weight:600;color:var(--primary);font-size:.9rem;transition:background .2s,color .2s}
.seg button.is-on{background:var(--primary);color:#fff}
.sim__select{width:100%;padding:11px 14px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--text);font:inherit}
.sim__hint{margin:0;font-size:.88rem;color:var(--muted)}
.sim__run{display:grid;grid-template-columns:280px 1fr;gap:24px;padding:40px 0 70px;align-items:start}
.sim__side{background:var(--glass);border:1px solid var(--glass-border);backdrop-filter:blur(10px);border-radius:18px;padding:20px;display:grid;gap:16px;position:sticky;top:90px}
.sim__timer{display:flex;justify-content:space-between;align-items:center;background:var(--slate);color:#fff;border-radius:12px;padding:12px 16px;font-size:.85rem}
.sim__timer b{font-family:var(--font-mono);font-size:1.4rem;direction:ltr}
.sim__timer.is-low{background:#B33A24;animation:blink 1s infinite}
.sim__meter{font-family:var(--font-mono);font-size:.85rem;color:var(--muted)}
.palette{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}
.pl{width:100%;aspect-ratio:1;border-radius:8px;border:1px solid var(--line);background:#fff;font-family:var(--font-mono);font-size:.8rem;color:var(--primary);display:grid;place-items:center;position:relative;transition:transform .15s}
button.pl:hover{transform:scale(1.08)}
.pl--done{background:var(--primary);color:#fff;border-color:var(--primary)}
.pl--flag::after{content:"";position:absolute;top:3px;inset-inline-end:3px;width:7px;height:7px;border-radius:50%;background:var(--amber)}
.pl--cur{box-shadow:0 0 0 2px var(--amber)}
.sim__legend{display:flex;gap:12px;flex-wrap:wrap;font-size:.75rem;color:var(--muted)}
.sim__legend span{display:inline-flex;align-items:center;gap:5px}
.sim__legend .pl{width:14px;height:14px;aspect-ratio:auto;border-radius:4px}
.qcard{background:var(--glass);border:1px solid var(--glass-border);backdrop-filter:blur(10px);border-radius:20px;padding:clamp(20px,3vw,34px);direction:ltr;text-align:left}
.qcard.is-swap{animation:qin .35s var(--ease)}
@keyframes qin{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.qcard__head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.qcard__num{font-family:var(--font-mono);color:var(--secondary)}
.qcard__domain{font-size:.78rem;padding:3px 10px;border-radius:999px;background:rgba(244,180,0,.2);color:#8A6500;font-weight:500}
.flag{margin-left:auto;display:inline-flex;align-items:center;gap:6px;background:transparent;border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:.8rem;color:var(--muted);transition:all .2s}
.flag svg{width:14px;height:14px}
.flag.is-on{background:var(--amber);border-color:var(--amber);color:var(--slate)}
.qcard__text{font-size:1.15rem;line-height:1.6;color:var(--primary);margin-bottom:22px;font-weight:500}
.qcard__opts{display:grid;gap:10px}
.opt{display:flex;align-items:center;gap:14px;text-align:left;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;font:inherit;color:var(--text);transition:border-color .2s,background .2s,transform .15s;cursor:pointer}
.opt:hover:not(:disabled){border-color:var(--secondary);transform:translateX(3px)}
.opt.is-picked{border-color:var(--primary);background:rgba(13,79,107,.06);box-shadow:0 0 0 2px rgba(13,79,107,.15)}
.opt.is-right{border-color:#15803D;background:rgba(22,163,74,.1)}
.opt.is-wrong{border-color:#B33A24;background:rgba(228,87,61,.1)}
.opt:disabled{cursor:default}
.opt__key{width:30px;height:30px;border-radius:8px;background:rgba(13,79,107,.1);color:var(--primary);font-family:var(--font-mono);display:inline-grid;place-items:center;flex:none;font-weight:600}
.opt.is-picked .opt__key{background:var(--primary);color:#fff}
.opt.is-right .opt__key{background:#15803D;color:#fff}
.opt.is-wrong .opt__key{background:#B33A24;color:#fff}
.qcard__exp{margin-top:18px;padding:16px 18px;border-radius:12px;background:rgba(244,180,0,.12);border-inline-start:4px solid var(--amber)}
.qcard__exp b{font-family:var(--font-display);display:block;margin-bottom:4px}
.qcard__exp p{margin:0;font-size:.95rem}
.qcard__nav{display:flex;justify-content:space-between;margin-top:24px;gap:12px}
.sim__result{padding:40px 0 70px;display:grid;gap:24px}
.score{display:grid;grid-template-columns:auto 1fr;gap:34px;align-items:center;background:var(--glass);border:1px solid var(--glass-border);backdrop-filter:blur(10px);border-radius:22px;padding:clamp(22px,3vw,36px)}
.score__ring{--p:0;width:170px;height:170px;border-radius:50%;background:conic-gradient(#B33A24 calc(var(--p)*1%),rgba(13,79,107,.1) 0);display:grid;place-items:center;position:relative;transition:--p 1s}
.score__ring.is-pass{background:conic-gradient(#15803D calc(var(--p)*1%),rgba(13,79,107,.1) 0)}
.score__ring::before{content:"";position:absolute;inset:14px;border-radius:50%;background:#fff}
.score__ring b{position:relative;font-family:var(--font-display);font-size:2.4rem;color:var(--primary)}
.score__meta h2{margin-bottom:6px}
.score__meta p{color:var(--muted)}
.score__facts{display:flex;gap:26px;flex-wrap:wrap;margin:14px 0 22px}
.score__facts div{display:flex;flex-direction:column;font-size:.82rem;color:var(--muted)}
.score__facts b{font-family:var(--font-display);font-size:1.5rem;color:var(--primary)}
.domains{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.dom{background:var(--glass);border:1px solid var(--glass-border);border-radius:12px;padding:14px 16px}
.dom__head{display:flex;justify-content:space-between;font-size:.9rem;margin-bottom:8px}
.dom__head b{font-family:var(--font-mono)}
.dom__bar{height:6px;border-radius:3px;background:rgba(13,79,107,.1);overflow:hidden}
.dom__bar span{display:block;height:100%;border-radius:3px;background:#15803D;transition:width 1s var(--ease)}
.dom__bar span.low{background:#B33A24}
.review{background:var(--glass);border:1px solid var(--glass-border);border-radius:22px;padding:clamp(20px,3vw,30px)}
.review__head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.review__head h3{margin:0}
.switch{display:inline-flex;align-items:center;gap:8px;font-size:.9rem;cursor:pointer}
.rv{border:1px solid var(--line);border-radius:14px;padding:18px;margin-bottom:12px;background:#fff;direction:ltr;text-align:left;border-inline-start:4px solid #15803D}
.rv--bad{border-inline-start-color:#B33A24}
.rv__head{display:flex;justify-content:space-between;font-size:.8rem;color:var(--muted);margin-bottom:8px}
.rv__q{font-weight:500;color:var(--primary);margin-bottom:10px}
.rv__opts{list-style:none;padding:0;margin:0 0 10px;display:grid;gap:6px;font-size:.92rem}
.rv__opts li{display:flex;gap:10px;align-items:center;padding:6px 8px;border-radius:8px}
.rv__opts li.is-right{background:rgba(22,163,74,.1)}
.rv__opts li.is-wrong{background:rgba(228,87,61,.1);text-decoration:line-through}
.rv__opts .opt__key{width:24px;height:24px;font-size:.75rem}
.rv__exp{margin:0;font-size:.88rem;color:var(--muted);padding-top:8px;border-top:1px dashed var(--line)}

/* ---- bank ---- */
.bk__stats{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.bk__stat{background:rgba(255,255,255,.08);border:1px solid var(--glass-dark-border);border-radius:12px;padding:8px 14px;display:flex;flex-direction:column;min-width:80px}
.bk__stat b{font-family:var(--font-display);font-size:1.3rem;line-height:1.1}
.bk__stat span{font-size:.72rem;color:var(--on-dark)}
.bk{padding-top:36px}
.bk__bar{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.bk__filters{display:flex;gap:8px;flex-wrap:wrap}
.bk__filters .sim__select{width:auto;min-width:160px}
.bk__actions{display:flex;gap:8px;flex-wrap:wrap}
.bk__table-wrap{overflow-x:auto;background:var(--glass);border:1px solid var(--glass-border);border-radius:16px}
.bk__table{width:100%;border-collapse:collapse;font-size:.92rem;min-width:760px}
.bk__table th{text-align:start;padding:14px 16px;font-size:.78rem;color:var(--muted);border-bottom:1px solid var(--line);font-weight:600}
.bk__table td{padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.bk__table tr:last-child td{border-bottom:0}
.bk__table tr.is-user td:first-child{border-inline-start:3px solid var(--amber)}
.bk__q{direction:ltr;text-align:left;max-width:480px}
.bk__row-actions{display:flex;gap:6px;white-space:nowrap}
.modal{position:fixed;inset:0;background:rgba(10,30,43,.6);backdrop-filter:blur(4px);display:grid;place-items:center;z-index:1100;padding:18px;overflow:auto}
.modal__box{background:#fff;border-radius:20px;padding:26px;width:100%;max-width:640px;display:grid;gap:14px;box-shadow:0 40px 80px -30px rgba(0,0,0,.6)}
.modal__box h3{margin:0}
.modal__box label{display:grid;gap:6px;font-size:.85rem;color:var(--muted)}
.modal__box input:not([type=radio]),.modal__box select,.modal__box textarea{width:100%;padding:10px 12px;border-radius:9px;border:1px solid var(--line);font:inherit;color:var(--text);background:#fff}
.modal__grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.modal__opts{display:grid;gap:8px}
.modal__opts label{display:flex;align-items:center;gap:10px}
.modal__opts input[type=radio]{width:20px;height:20px;accent-color:#15803D;flex:none}
.modal__hint{margin:-6px 0 0;font-size:.78rem;color:var(--muted)}
.modal__foot{display:flex;justify-content:flex-end;gap:10px}

/* ---- account ---- */
.acc__head{position:relative;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}
.acc__id{display:flex;gap:20px;align-items:center}
.acc__id .page-hero__title{font-size:clamp(1.6rem,3vw,2.4rem);margin-bottom:4px}
.acc__id .page-hero__lead{margin:0;font-family:var(--font-mono);font-size:.9rem}
.acc__kpis{display:flex;gap:10px;flex-wrap:wrap}
.acc__kpi{background:rgba(255,255,255,.08);border:1px solid var(--glass-dark-border);border-radius:12px;padding:10px 16px;display:flex;flex-direction:column;min-width:90px}
.acc__kpi b{font-family:var(--font-display);font-size:1.5rem;line-height:1.1}
.acc__kpi span{font-size:.72rem;color:var(--on-dark)}
#logoutBtn{grid-column:1/-1;justify-self:start}
.acc{padding-top:40px}
.acc__grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start}
.acc__grid .section__head{margin-bottom:16px}
.acc__courses,.acc__attempts{display:grid;gap:12px}
.acc__course,.acc__attempt{background:var(--glass);border:1px solid var(--glass-border);backdrop-filter:blur(10px);border-radius:14px;padding:18px;display:flex;justify-content:space-between;align-items:center;gap:14px}
.acc__course h3,.acc__attempt h3{font-size:1.05rem;margin:6px 0 4px}
.acc__course small{font-size:.8rem;color:var(--muted)}
.acc__course .course__bar{width:140px;margin:8px 0 4px}
.acc__course-actions{display:flex;gap:8px;align-items:center;flex:none}
.acc__attempt{border-inline-start:4px solid #15803D}
.acc__attempt.is-fail{border-inline-start-color:#B33A24}
.acc__attempt h3 small{font-weight:400;color:var(--muted);font-size:.8rem}
.acc__attempt p{margin:0;font-size:.85rem;color:var(--muted)}
.acc__attempt-score{display:flex;flex-direction:column;align-items:center;min-width:64px}
.acc__attempt-score b{font-family:var(--font-display);font-size:1.5rem;color:var(--primary);line-height:1}
.acc__attempt-score span{font-family:var(--font-mono);font-size:.75rem;color:var(--muted)}
.acc__empty{background:var(--glass);border:1px dashed var(--line);border-radius:14px;padding:30px;text-align:center;display:grid;gap:12px;justify-items:center}
.acc__empty p{margin:0;color:var(--muted)}
.ccard__btns{display:flex;gap:8px;flex-wrap:wrap}
.enroll.is-on{border-color:var(--primary);background:rgba(13,79,107,.08)}
.ccard--exam::before{background:var(--amber)}
.ccard--skill::before{background:var(--secondary)}
.ccard--prep::before{background:var(--primary)}
.ccard--exam .ccard__lv{background:rgba(244,180,0,.2);color:#8A6500}
.ccard--skill .ccard__lv{background:rgba(21,96,130,.14);color:var(--secondary)}
.ccard__foot{flex-wrap:wrap;gap:10px}

@media (max-width:960px){.sim__setup,.sim__run,.score,.acc__grid,.acc__head{grid-template-columns:1fr}.sim__side,.sim__opts{position:static}.palette{grid-template-columns:repeat(10,1fr)}.score__ring{margin:0 auto}}
@media (max-width:640px){.sim__exams{grid-template-columns:1fr}.modal__grid{grid-template-columns:1fr}.acc__id{flex-direction:column;align-items:flex-start}.palette{grid-template-columns:repeat(8,1fr)}.acc__course,.acc__attempt{flex-direction:column;align-items:flex-start}}

[hidden]{display:none!important}

/* =====================================================================
   SIMULATOR v2: watermark, translation, image, kill mistake, resume
   ===================================================================== */
.qcard{position:relative;overflow:hidden}
.qcard__wm{position:absolute;inset:-20%;display:grid;grid-template-columns:1fr 1fr;gap:60px;transform:rotate(-24deg);pointer-events:none;user-select:none;z-index:0}
.qcard__wm span{font-family:var(--font-display);font-weight:800;font-size:clamp(3rem,7vw,5.5rem);color:rgba(13,79,107,.055);white-space:nowrap;line-height:1}
.qcard>*:not(.qcard__wm){position:relative;z-index:1}
.qcard__trans{direction:rtl;text-align:right;font-family:var(--font-body);background:rgba(244,180,0,.1);border-inline-start:3px solid var(--amber);padding:12px 16px;border-radius:10px;margin:-8px 0 18px;color:var(--primary);font-size:1.02rem;line-height:1.8}
.qcard__img{max-height:520px;width:auto;max-width:100%;border:1px solid var(--line);border-radius:12px;margin:24px auto 0;display:block;background:#fff;box-shadow:0 10px 30px -18px rgba(13,79,107,.4)}
.qcard__spacer{flex:1}
.qcard__nav{flex-wrap:wrap;align-items:center}
.killbtn{display:inline-flex;align-items:center;gap:6px}
.killbtn svg{width:15px;height:15px}
.killbtn.is-on{background:#B33A24;border-color:#B33A24;color:#fff}
.sim__topbar{display:grid;gap:8px}
.sim__progress{height:8px;border-radius:4px;background:rgba(13,79,107,.1);overflow:hidden}
.sim__progress span{display:block;height:100%;width:0;border-radius:4px;background:linear-gradient(90deg,var(--secondary),var(--amber));transition:width .4s var(--ease)}
.sim__counts{display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:.85rem;color:var(--primary)}
.sim__score b{color:var(--primary);font-size:1.05rem}
.resume{display:flex;justify-content:space-between;align-items:center;gap:14px;background:rgba(244,180,0,.14);border:1px solid rgba(244,180,0,.5);border-radius:14px;padding:14px 18px;margin-bottom:16px}
.resume b{font-family:var(--font-display);display:block}
.resume p{margin:0;font-size:.88rem;color:var(--muted)}
.exam-pick__km{display:inline-block;margin-top:6px;font-size:.72rem;padding:2px 8px;border-radius:999px;background:rgba(228,87,61,.14);color:#B33A24;font-weight:600;width:max-content}
.exam-pick__paused{display:inline-block;margin-top:4px;font-size:.72rem;color:#8A6500;font-weight:500}
.rv__img{max-height:300px;width:auto;max-width:100%;border:1px solid var(--line);border-radius:10px;margin:0 0 10px}
.seg button:disabled{opacity:.4;cursor:not-allowed}
.bk__q small{display:block;color:var(--muted);font-size:.78rem;direction:rtl;text-align:right;margin-top:4px}
.bk__img{width:14px;height:14px;vertical-align:middle;color:var(--secondary);margin-inline-start:6px}

/* =====================================================================
   DARK THEME (site-wide) — html[data-theme="dark"]
   ===================================================================== */
html[data-theme="dark"]{
  --paper:#0A1E2B; --paper-2:#0F2433; --white:#1A2A35;
  --text:#E6EEF3; --muted:#B8DDE9;
  --line:rgba(184,221,233,.14);
  --glass:rgba(26,42,53,.62); --glass-border:rgba(184,221,233,.16);
  --glass-dark:rgba(15,36,51,.7); --glass-dark-border:rgba(184,221,233,.18);
  color-scheme:dark;
}
html[data-theme="dark"] body{background:linear-gradient(180deg,#0A1E2B,#0D2434 60%,#0A1E2B);color:var(--text)}
html[data-theme="dark"] body::before{background:radial-gradient(circle,rgba(21,96,130,.35),rgba(21,96,130,0) 70%)}
html[data-theme="dark"] body::after{background:radial-gradient(circle,rgba(244,180,0,.14),rgba(244,180,0,0) 70%)}
html[data-theme="dark"] .section--soft{background:rgba(255,255,255,.03)}
html[data-theme="dark"] .section--tool{background:transparent}
html[data-theme="dark"] .section--dark,html[data-theme="dark"] .enroll{background:linear-gradient(160deg,#07161F,#0F2433 60%,#0B1E2A)}
html[data-theme="dark"] .hero{background:linear-gradient(160deg,#07161F,#0D2A3A)}
html[data-theme="dark"] .page-hero{background:linear-gradient(160deg,#07161F,#0D2A3A)}
html[data-theme="dark"] .nav{background:rgba(7,22,31,.7)}
html[data-theme="dark"] .nav.is-scrolled{background:rgba(7,22,31,.92)}
html[data-theme="dark"] .footer{background:#050f16}
html[data-theme="dark"] .strip{background:#0F2433}

/* glass cards on dark */
html[data-theme="dark"] .course,html[data-theme="dark"] .ccard,html[data-theme="dark"] .feat,html[data-theme="dark"] .review,
html[data-theme="dark"] .why__list li,html[data-theme="dark"] .faq details,html[data-theme="dark"] .convert__file,
html[data-theme="dark"] .req div,html[data-theme="dark"] .dl__card,html[data-theme="dark"] .exam-pick,html[data-theme="dark"] .sim__opts,
html[data-theme="dark"] .sim__side,html[data-theme="dark"] .qcard,html[data-theme="dark"] .score,html[data-theme="dark"] .dom,
html[data-theme="dark"] .review,html[data-theme="dark"] .bk__table-wrap,html[data-theme="dark"] .acc__course,html[data-theme="dark"] .acc__attempt,
html[data-theme="dark"] .acc__empty{background:var(--glass);border-color:var(--glass-border);box-shadow:0 20px 40px -30px rgba(0,0,0,.7),inset 0 1px 0 rgba(184,221,233,.08);color:var(--text)}
html[data-theme="dark"] .course:hover,html[data-theme="dark"] .ccard:hover,html[data-theme="dark"] .feat:hover,html[data-theme="dark"] .review:hover{background:rgba(26,42,53,.85);border-color:rgba(184,221,233,.3)}
html[data-theme="dark"] .exam-pick.is-on{border-color:var(--amber);box-shadow:0 0 0 3px rgba(244,180,0,.25)}

/* text colours that were hard-coded to ink/primary */
html[data-theme="dark"] h1,html[data-theme="dark"] h2,html[data-theme="dark"] h3{color:var(--text)}
html[data-theme="dark"] .section--dark h2,html[data-theme="dark"] .hero h1{color:#fff}
html[data-theme="dark"] .course__id b,html[data-theme="dark"] .ccard__id,html[data-theme="dark"] .course__price b,html[data-theme="dark"] .exam-pick b,
html[data-theme="dark"] .qcard__text,html[data-theme="dark"] .score__ring b,html[data-theme="dark"] .score__facts b,html[data-theme="dark"] .rv__q,
html[data-theme="dark"] .acc__attempt-score b,html[data-theme="dark"] .ccard__meta b,html[data-theme="dark"] .course__meta b,html[data-theme="dark"] .why__list b,
html[data-theme="dark"] .sim__counts,html[data-theme="dark"] .sim__score b,html[data-theme="dark"] .qcard__trans,html[data-theme="dark"] .modal__box h3{color:var(--text)}
html[data-theme="dark"] .eyebrow{color:#4FC3F7}
html[data-theme="dark"] .exam-pick__code,html[data-theme="dark"] .qcard__num,html[data-theme="dark"] .ccard__outline summary,html[data-theme="dark"] .faq summary::after,html[data-theme="dark"] .ic{color:#4FC3F7}
html[data-theme="dark"] .why__icon,html[data-theme="dark"] .feat__icon{background:var(--secondary)}
html[data-theme="dark"] .tag{background:rgba(79,195,247,.14);color:#4FC3F7}
html[data-theme="dark"] .tag--exam,html[data-theme="dark"] .ccard--exam .ccard__lv,html[data-theme="dark"] .course[data-level="2"] .course__id span,html[data-theme="dark"] .qcard__domain{background:rgba(244,180,0,.18);color:#FFD75E}
html[data-theme="dark"] .ccard__lv,html[data-theme="dark"] .course__id span,html[data-theme="dark"] .ccard--skill .ccard__lv{background:rgba(79,195,247,.14);color:#4FC3F7}
html[data-theme="dark"] .tag--pass{background:rgba(22,163,74,.2);color:#6EE7A0}
html[data-theme="dark"] .tag--fail{background:rgba(228,87,61,.2);color:#FF9B85}

/* controls */
html[data-theme="dark"] .btn--ghost.btn--dark,html[data-theme="dark"] .btn--dark{color:var(--text);border-color:var(--glass-border)}
html[data-theme="dark"] .btn--ghost.btn--dark:hover,html[data-theme="dark"] .btn--dark:hover{border-color:#fff;background:rgba(255,255,255,.06)}
html[data-theme="dark"] .btn--primary{background:var(--secondary)}
html[data-theme="dark"] .btn--primary:hover{background:#1A7A9E}
html[data-theme="dark"] .seg{background:rgba(255,255,255,.06)}
html[data-theme="dark"] .seg button{color:var(--text)}
html[data-theme="dark"] .seg button.is-on{background:var(--amber);color:var(--slate)}
html[data-theme="dark"] .sim__select,html[data-theme="dark"] .modal__box input:not([type=radio]),html[data-theme="dark"] .modal__box select,html[data-theme="dark"] .modal__box textarea{background:#0F2433;color:var(--text);border-color:var(--glass-border)}
html[data-theme="dark"] .modal__box{background:#13283A;color:var(--text)}
html[data-theme="dark"] .modal__box label{color:var(--muted)}
html[data-theme="dark"] .modal{background:rgba(0,0,0,.6)}
html[data-theme="dark"] .filter{color:var(--text)}
html[data-theme="dark"] .filter.is-on{color:var(--slate)}
html[data-theme="dark"] .switch{color:var(--text)}
html[data-theme="dark"] .ic{border-color:var(--glass-border)}
html[data-theme="dark"] .ic:hover{background:rgba(79,195,247,.12)}
html[data-theme="dark"] .ic--danger{color:#FF9B85}
html[data-theme="dark"] .toast{background:#13283A}

/* simulator */
html[data-theme="dark"] .qcard__wm span{color:rgba(255,255,255,.045)}
html[data-theme="dark"] .opt{background:#13283A;border-color:var(--glass-border);color:var(--text)}
html[data-theme="dark"] .opt:hover:not(:disabled){border-color:#4FC3F7}
html[data-theme="dark"] .opt.is-picked{border-color:#4FC3F7;background:rgba(79,195,247,.12);box-shadow:0 0 0 2px rgba(79,195,247,.2)}
html[data-theme="dark"] .opt.is-right{border-color:#22C55E;background:rgba(34,197,94,.18)}
html[data-theme="dark"] .opt.is-wrong{border-color:#EF6A50;background:rgba(239,106,80,.18)}
html[data-theme="dark"] .opt__key{background:rgba(255,255,255,.1);color:var(--text)}
html[data-theme="dark"] .opt.is-picked .opt__key{background:#4FC3F7;color:var(--slate)}
html[data-theme="dark"] .opt.is-right .opt__key{background:#22C55E;color:#04211E}
html[data-theme="dark"] .opt.is-wrong .opt__key{background:#EF6A50;color:#fff}
html[data-theme="dark"] .qcard__exp{background:rgba(244,180,0,.12);color:var(--text)}
html[data-theme="dark"] .qcard__trans{background:rgba(244,180,0,.1)}
html[data-theme="dark"] .flag{color:var(--muted);border-color:var(--glass-border)}
html[data-theme="dark"] .pl{background:#13283A;border-color:var(--glass-border);color:var(--text)}
html[data-theme="dark"] .pl--done{background:var(--secondary);border-color:var(--secondary);color:#fff}
html[data-theme="dark"] .sim__timer{background:#07161F}
html[data-theme="dark"] .sim__progress,html[data-theme="dark"] .course__bar,html[data-theme="dark"] .dom__bar{background:rgba(255,255,255,.1)}
html[data-theme="dark"] .score__ring{background:conic-gradient(#EF6A50 calc(var(--p)*1%),rgba(255,255,255,.1) 0)}
html[data-theme="dark"] .score__ring.is-pass{background:conic-gradient(#22C55E calc(var(--p)*1%),rgba(255,255,255,.1) 0)}
html[data-theme="dark"] .score__ring::before{background:#13283A}
html[data-theme="dark"] .rv{background:#13283A;border-color:var(--glass-border);border-inline-start-color:#22C55E;color:var(--text)}
html[data-theme="dark"] .rv--bad{border-inline-start-color:#EF6A50}
html[data-theme="dark"] .rv__opts li.is-right{background:rgba(34,197,94,.18)}
html[data-theme="dark"] .rv__opts li.is-wrong{background:rgba(239,106,80,.18)}
html[data-theme="dark"] .rv__exp{border-top-color:var(--glass-border)}
html[data-theme="dark"] .resume{background:rgba(244,180,0,.12)}
html[data-theme="dark"] .resume b{color:var(--text)}
html[data-theme="dark"] .exam-pick__km{background:rgba(239,106,80,.2);color:#FF9B85}
html[data-theme="dark"] .exam-pick__paused{color:#FFD75E}
html[data-theme="dark"] .killbtn.is-on{background:#B33A24;color:#fff;border-color:#B33A24}
html[data-theme="dark"] .qcard__img{background:#fff}

/* bank & account */
html[data-theme="dark"] .bk__table th{color:var(--muted);border-bottom-color:var(--glass-border)}
html[data-theme="dark"] .bk__table td{border-bottom-color:var(--glass-border)}
html[data-theme="dark"] .bk__q small{color:var(--muted)}
html[data-theme="dark"] .acc__attempt{border-inline-start-color:#22C55E}
html[data-theme="dark"] .acc__attempt.is-fail{border-inline-start-color:#EF6A50}
html[data-theme="dark"] .acc__empty{border-style:dashed}
html[data-theme="dark"] .convert__rows i{background:rgba(255,255,255,.12)}
html[data-theme="dark"] .convert__file--xls .convert__ext{background:rgba(34,197,94,.2);color:#6EE7A0}
html[data-theme="dark"] .convert__file--xer .convert__ext{background:rgba(239,106,80,.2);color:#FF9B85}
html[data-theme="dark"] .convert__arrow{color:#4FC3F7}
html[data-theme="dark"] .req dd{color:var(--text)}
html[data-theme="dark"] .form{background:rgba(255,255,255,.04)}

/* theme toggle button */
.theme-btn{width:36px;height:36px;border-radius:50%;border:1px solid var(--line-dark);background:transparent;color:#fff;display:inline-grid;place-items:center;transition:border-color .2s,background .2s,transform .3s}
.theme-btn svg{width:17px;height:17px}
.theme-btn:hover{border-color:var(--amber);background:rgba(244,180,0,.12);transform:rotate(20deg)}
.theme-btn .sun{display:none}
html[data-theme="dark"] .theme-btn .sun{display:block}
html[data-theme="dark"] .theme-btn .moon{display:none}

/* ---- course images ---- */
.ccard{padding-top:0}
.ccard__media{margin:0 -26px 6px;aspect-ratio:16/9;overflow:hidden;border-radius:var(--radius) var(--radius) 0 0;background:#0F2433}
.ccard__media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s var(--ease)}
.ccard:hover .ccard__media img{transform:scale(1.05)}
.ccard::before{z-index:2}
.ccard__head{padding-top:14px}
/* ---- question map collapsed ---- */
.sim__map summary{cursor:pointer;list-style:none;font-size:.85rem;font-weight:600;color:var(--muted);display:flex;align-items:center;gap:8px;padding:8px 0}
.sim__map summary::-webkit-details-marker{display:none}
.sim__map summary::before{content:"▸";font-size:.8rem;transition:transform .2s}
.sim__map[open] summary::before{transform:rotate(90deg)}
.sim__map .palette{margin-top:6px}
.sim__map .sim__legend{margin-top:10px}
/* ---- lightbox ---- */
.lightbox{position:fixed;inset:0;z-index:1300;background:rgba(5,15,22,.94);display:flex;flex-direction:column}
.lightbox__close{position:absolute;top:14px;inset-inline-end:18px;width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.08);color:#fff;font-size:1.6rem;line-height:1;z-index:2}
.lightbox__tools{position:absolute;top:18px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:6px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:999px;padding:6px 10px;z-index:2;color:#fff;font-family:var(--font-mono);font-size:.85rem;direction:ltr}
.lightbox__tools button{background:transparent;border:0;color:#fff;font-size:1.1rem;padding:4px 10px;border-radius:999px;cursor:pointer}
.lightbox__tools button:hover{background:rgba(255,255,255,.15)}
.lightbox__tools #lbFit{font-family:var(--font-body);font-size:.8rem}
.lightbox__stage{flex:1;overflow:auto;padding:70px 20px 20px;display:grid;place-items:start center}
.lightbox__stage img{width:100%;max-width:none;height:auto;background:#fff;border-radius:8px;cursor:zoom-in;transition:width .2s}
.qcard__img,.rv__img{cursor:zoom-in}
/* ---- anti-copy on exam ---- */
.qcard,.rv,.bk__table{-webkit-user-select:none;user-select:none}
html.devtools .qcard,html.devtools .rv,html.devtools .bk__table-wrap{filter:blur(14px);pointer-events:none}
@media print{.qcard,.rv,.bk__table-wrap,.qcard__img{display:none!important}}

/* ---- single-form exam layout ---- */
.sim__run{display:block;padding:28px 0 60px}
.exambar{margin:-8px 0 22px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.exambar .sim__progress{margin-bottom:14px}
.exambar__row{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.exambar__stat{display:flex;flex-direction:column;line-height:1.15;min-width:60px}
.exambar__stat b{font-family:var(--font-mono);font-size:1.15rem;color:var(--primary)}
.exambar__stat small{font-size:.72rem;color:var(--muted)}
.exambar__timer b{color:#B33A24}
.exambar__timer.is-low b{animation:blink 1s infinite}
.sim__mapbox{margin-top:14px;padding:14px;border:1px solid var(--line);border-radius:12px;background:rgba(13,79,107,.04)}
.sim__mapbox .palette{grid-template-columns:repeat(auto-fill,minmax(38px,1fr))}
.sim__mapbox .sim__legend{margin-top:10px}
html[data-theme="dark"] .exambar{border-bottom-color:var(--glass-border)}
html[data-theme="dark"] .exambar__stat b{color:var(--text)}
html[data-theme="dark"] .exambar__timer b{color:#FF9B85}
html[data-theme="dark"] .sim__mapbox{background:rgba(255,255,255,.04);border-color:var(--glass-border)}
@media (max-width:640px){.exambar__row{gap:12px}.exambar__row .btn{padding:8px 12px;font-size:.8rem}}

/* ---- Wix-style course cards ---- */
.wgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.wcard{background:var(--glass);border:1px solid var(--glass-border);backdrop-filter:blur(10px);border-radius:22px;padding:30px 24px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:10px;transition:transform .35s var(--ease),box-shadow .35s}
.wcard:hover{transform:translateY(-5px);box-shadow:0 30px 50px -30px rgba(0,0,0,.6)}
.wcard.is-hidden{display:none}
.wcard__img{width:200px;height:200px;border-radius:50%;overflow:hidden;display:block;box-shadow:0 20px 40px -20px rgba(0,0,0,.6);background:#fff}
.wcard__img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s var(--ease)}
.wcard:hover .wcard__img img{transform:scale(1.06)}
.wcard h2{font-size:1.3rem;margin:8px 0 0;line-height:1.3}
.wcard h2 a{color:inherit}
.wcard__badge{display:inline-block;padding:5px 14px;border-radius:999px;background:rgba(244,180,0,.9);color:#2B1D02;font-size:.85rem;font-weight:600}
.wcard__badge--price{background:rgba(79,195,247,.16);color:#4FC3F7}
html:not([data-theme="dark"]) .wcard__badge--price{background:rgba(21,96,130,.12);color:var(--secondary)}
.wcard__meta{margin:0;color:var(--text);font-size:1.05rem;font-weight:500}
.wcard__btns{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:6px}
/* ---- My Courses panel ---- */
.acc__layout{display:grid;grid-template-columns:240px 1fr;gap:28px;align-items:start}
.panel{position:sticky;top:90px;display:grid;gap:14px}
.panel__nav{display:grid;gap:6px;background:var(--glass);border:1px solid var(--glass-border);border-radius:16px;padding:10px}
.panel__nav button{text-align:start;background:transparent;border:0;color:var(--text);padding:12px 14px;border-radius:10px;font-weight:600;transition:background .2s}
.panel__nav button:hover{background:rgba(255,255,255,.06)}
.panel__nav button.is-on{background:var(--amber);color:var(--slate)}
.ptab{display:none}.ptab.is-on{display:block}
.ptab__head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;gap:12px}
.ptab__head h2{margin:0}
.mycourses{display:grid;gap:14px}
.mc{display:grid;grid-template-columns:96px 1fr auto;gap:18px;align-items:center;background:var(--glass);border:1px solid var(--glass-border);border-radius:16px;padding:16px 18px}
.mc__img{width:96px;height:96px;border-radius:50%;overflow:hidden;background:#fff}
.mc__img img{width:100%;height:100%;object-fit:cover}
.mc__body h3{font-size:1.1rem;margin:6px 0 8px}
.mc__body small{display:block;color:var(--muted);font-size:.8rem;margin-top:6px}
.mc__body .course__bar{width:100%;max-width:360px}
.mc__manual{display:flex;align-items:center;gap:10px;margin-top:10px;flex-wrap:wrap}
.mc__manual .sim__select{width:auto;padding:6px 10px;font-size:.85rem}
.mc__manual input[type=range]{width:140px;accent-color:var(--amber)}
.mc__manual b{font-family:var(--font-mono);font-size:.85rem}
.mc__actions{display:flex;gap:8px;align-items:center}
.profile{display:grid;gap:14px;max-width:520px;background:var(--glass);border:1px solid var(--glass-border);border-radius:16px;padding:22px}
.profile label{display:grid;gap:6px;font-size:.85rem;color:var(--muted)}
.profile input{width:100%;padding:11px 14px;border-radius:10px;border:1px solid var(--glass-border);background:rgba(10,30,43,.5);color:var(--text);font:inherit}
html:not([data-theme="dark"]) .profile input{background:#fff;border-color:var(--line)}
.profile input:disabled{opacity:.6}
/* ---- tool page ---- */
.video{max-width:900px;margin:0 auto;display:grid;gap:14px;justify-items:center}
.video__frame{width:100%;aspect-ratio:16/9;border-radius:18px;overflow:hidden;border:1px solid var(--glass-border);box-shadow:0 30px 60px -30px rgba(0,0,0,.7);background:#000}
.video__frame iframe{width:100%;height:100%;border:0}
.video__lang{width:auto}
.tuts{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;margin-top:20px}
.tut{background:var(--glass);border:1px solid var(--glass-border);border-radius:16px;overflow:hidden;transition:transform .3s var(--ease)}
.tut:hover{transform:translateY(-4px)}
.tut__thumb{aspect-ratio:16/9;background:#0F2433 center/cover no-repeat}
.tut__body{padding:14px 16px 16px}
.tut__body h3{font-size:1rem;margin:8px 0 10px}
.tut__links{display:flex;gap:8px}
.dl__btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}
.dl__btns .btn svg{width:18px;height:18px}
.dl__note{margin-top:14px;font-size:.88rem;color:var(--amber)}
#dlVersion{font-family:var(--font-mono);color:var(--amber);margin-bottom:6px}
@media (max-width:900px){.acc__layout{grid-template-columns:1fr}.panel{position:static}.panel__nav{grid-template-columns:repeat(3,1fr)}.mc{grid-template-columns:72px 1fr}.mc__actions{grid-column:1/-1}.mc__img{width:72px;height:72px}}

/* ---- course page ---- */
.join{display:grid;grid-template-columns:260px 1fr;gap:36px;align-items:center}
.join__img{width:260px;height:260px;border-radius:50%;overflow:hidden;background:#fff;box-shadow:0 30px 60px -25px rgba(0,0,0,.7)}
.join__img img{width:100%;height:100%;object-fit:cover}
.join__img--sm{width:180px;height:180px}
.join .page-hero__lead{max-width:640px}
.join__body{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding:40px 0 70px}
.join__box{background:var(--glass);border:1px solid var(--glass-border);border-radius:18px;padding:26px}
.join__box h2,.join__box h3{margin-bottom:14px}
.outline{margin:0;padding:0;list-style:none;counter-reset:o;display:grid;gap:10px}
.outline li{counter-increment:o;display:flex;gap:12px;align-items:flex-start}
.outline li::before{content:counter(o,decimal-leading-zero);font-family:var(--font-mono);color:var(--amber);flex:none}
.cprog{display:flex;align-items:center;gap:12px;max-width:420px;margin:8px 0 12px}
.cprog .course__bar{flex:1}
.cprog b{font-family:var(--font-mono)}
.course__layout{display:grid;grid-template-columns:1fr 300px;gap:24px;padding:40px 0 70px;align-items:start}
.course__side{display:grid;gap:10px;position:sticky;top:90px}
.lessons{margin:0;padding:0;list-style:none;display:grid;gap:8px}
.lesson{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--glass-border);border-radius:12px;background:rgba(255,255,255,.03)}
.lesson label{display:flex;align-items:center;gap:12px;flex:1;cursor:pointer}
.lesson input{width:20px;height:20px;accent-color:#22C55E}
.lesson__n{font-family:var(--font-mono);color:var(--amber)}
.lesson.is-done .lesson__t{text-decoration:line-through;opacity:.6}
html:not([data-theme="dark"]) .lesson{background:#fff;border-color:var(--line)}
@media (max-width:860px){.join,.join__body,.course__layout{grid-template-columns:1fr}.join__img{width:200px;height:200px}.course__side{position:static}}

/* ---- admin ---- */
.admin{display:grid;grid-template-columns:300px 1fr;gap:28px;align-items:start}
.admin__list{max-height:60vh;overflow:auto}
.admin__list button{display:flex;align-items:center;gap:10px;text-align:start}
.admin__list img{width:36px;height:36px;border-radius:50%;object-fit:cover;background:#fff;flex:none}
.admin__list small{display:block;font-size:.72rem;font-weight:400;opacity:.75}
.admin__tools{display:grid;gap:8px}
.admin__form{display:grid;gap:22px;background:var(--glass);border:1px solid var(--glass-border);border-radius:18px;padding:26px}
.admin__head-btns{display:flex;gap:8px}
.admin__grid{display:grid;grid-template-columns:240px 1fr;gap:24px;align-items:start}
.admin__img{display:grid;gap:10px;justify-items:center}
.admin__img .wcard__img{width:200px;height:200px}
.admin__img label{width:100%;font-size:.8rem;color:var(--muted);display:grid;gap:4px}
.admin__fields{display:grid;gap:12px}
.admin__fields label,.admin__img label{display:grid;gap:5px;font-size:.85rem;color:var(--muted)}
.admin__fields input,.admin__fields select,.admin__fields textarea,.admin__img input{width:100%;padding:10px 12px;border-radius:9px;border:1px solid var(--glass-border);background:rgba(10,30,43,.5);color:var(--text);font:inherit}
html:not([data-theme="dark"]) .admin__fields input,html:not([data-theme="dark"]) .admin__fields select,html:not([data-theme="dark"]) .admin__fields textarea,html:not([data-theme="dark"]) .admin__img input{background:#fff;border-color:var(--line)}
.modal__grid--3{grid-template-columns:1fr 1fr 1fr}
.lessons-ed{display:grid;gap:8px}
.led{display:flex;align-items:center;gap:12px;padding:10px 14px;border:1px solid var(--glass-border);border-radius:12px;background:rgba(255,255,255,.03)}
.led__t{flex:1;display:grid}
.led__t small{color:var(--muted);font-size:.78rem}
.led__btns{display:flex;gap:4px}
.admin__save{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.check{display:flex;align-items:center;gap:8px;font-size:.9rem}
.nav__admin{margin-inline-end:4px}
/* ---- lesson player ---- */
.player{display:grid;grid-template-columns:1fr 340px;gap:24px;padding:36px 0 70px;align-items:start}
.player__stage{background:var(--glass);border:1px solid var(--glass-border);border-radius:20px;overflow:hidden}
.player__video{aspect-ratio:16/9;background:#000;display:grid;place-items:center;color:var(--on-dark)}
.player__video iframe{width:100%;height:100%;border:0}
.player__body{padding:22px 26px}
.player__body h2{margin-bottom:10px}
.player__notes{white-space:pre-wrap;color:var(--text);line-height:1.8}
.player__actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.curriculum{background:var(--glass);border:1px solid var(--glass-border);border-radius:18px;padding:16px;position:sticky;top:90px;max-height:80vh;overflow:auto}
.curriculum h3{margin:6px 6px 12px}
.cur-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;cursor:pointer;border:1px solid transparent}
.cur-item:hover{background:rgba(255,255,255,.05)}
.cur-item.is-on{border-color:var(--amber);background:rgba(244,180,0,.1)}
.cur-item.is-locked{opacity:.55;cursor:not-allowed}
.cur-item__n{font-family:var(--font-mono);color:var(--amber);flex:none;width:26px}
.cur-item__t{flex:1;font-size:.92rem}
.cur-item__d{font-size:.75rem;color:var(--muted);font-family:var(--font-mono)}
.cur-item__ok{width:18px;height:18px;border-radius:50%;border:2px solid var(--glass-border);flex:none}
.cur-item.is-done .cur-item__ok{background:#22C55E;border-color:#22C55E}
@media (max-width:960px){.admin,.player{grid-template-columns:1fr}.admin__grid{grid-template-columns:1fr}.curriculum{position:static;max-height:none}}

.sim__course{margin:-6px 0 14px;font-size:.95rem;color:var(--on-dark)}
.sim__course a{color:var(--amber);font-weight:600}
.sim__course b{color:#fff}

.qcard__head--slim{margin-bottom:6px;justify-content:flex-end}
.qcard__head--slim:empty{display:none}
.exambar__row .qcard__domain{align-self:center}

/* ---- exam list side panel ---- */
.sim__setup{grid-template-columns:1.25fr .9fr}
.setlist{display:grid;gap:12px;align-content:start}
.setlist__group{background:var(--glass);border:1px solid var(--glass-border);border-radius:16px;padding:6px 10px}
.setlist__group summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 8px}
.setlist__group summary::-webkit-details-marker{display:none}
.setlist__group summary b{font-family:var(--font-display);font-size:1.1rem}
.setlist__group summary small{color:var(--muted);font-size:.78rem}
.setlist__group summary::after{content:"▾";color:var(--muted);transition:transform .2s}
.setlist__group[open] summary::after{transform:rotate(180deg)}
.setlist__item{width:100%;display:flex;justify-content:space-between;align-items:center;gap:10px;text-align:start;background:transparent;border:1px solid transparent;border-radius:10px;padding:10px 12px;color:var(--text);cursor:pointer;transition:background .2s,border-color .2s}
.setlist__item:hover{background:rgba(255,255,255,.05)}
.setlist__item.is-on{background:rgba(244,180,0,.14);border-color:var(--amber)}
.setlist__item.is-on .setlist__name::before{content:"✓ ";color:var(--amber)}
.setlist__item--all{border-bottom:1px dashed var(--glass-border);border-radius:10px 10px 0 0;margin-bottom:4px}
.setlist__name{font-weight:600;font-size:.95rem}
.setlist__meta{font-family:var(--font-mono);font-size:.72rem;color:var(--muted);white-space:nowrap}
.selected{background:rgba(244,180,0,.12);border:1px solid rgba(244,180,0,.5);border-radius:12px;padding:12px 14px;display:grid;gap:2px}
.selected b{font-family:var(--font-display);font-size:1.1rem}
.selected small{color:var(--muted);font-size:.8rem}
html:not([data-theme="dark"]) .setlist__item:hover{background:rgba(13,79,107,.06)}
@media (max-width:960px){.sim__setup{grid-template-columns:1fr}}

/* ---- tutorials search + help page ---- */
.tut__bar{display:grid;gap:12px;margin-bottom:6px}
.tut__search{max-width:520px}
.tut__thumb{display:block;position:relative}
.tut__soon{position:absolute;inset:0;display:grid;place-items:center;color:var(--on-dark);font-size:.85rem;background:linear-gradient(135deg,#0F2433,#1A2A35)}
.tut__id{display:inline-block;margin-inline-start:8px;font-family:var(--font-mono);font-size:.72rem;color:var(--amber);background:rgba(244,180,0,.12);padding:2px 7px;border-radius:6px}
.help{padding-top:40px}
.help__wrap{max-width:960px;margin:0 auto;display:grid;gap:16px}
.help__wrap h1{font-size:clamp(1.8rem,3.5vw,2.6rem)}
.help__frame{width:100%}
.help__frame iframe{width:100%;height:100%;border:0}
.help__empty{display:grid;place-items:center;height:100%;color:var(--on-dark)}
.help__links{display:flex;gap:10px;flex-wrap:wrap}
.help__related h3{margin:18px 0 10px}
.help__list{display:flex;flex-wrap:wrap;gap:8px}
.help__list a{padding:8px 14px;border-radius:999px;border:1px solid var(--glass-border);background:var(--glass);font-size:.9rem;color:var(--text)}
.help__list a:hover{border-color:var(--amber)}
.help__list code{font-family:var(--font-mono);font-size:.7rem;color:var(--amber);margin-inline-start:6px}

/* =====================================================================
   CHAT LAUNCHER (js/chat.js) — floating button + contact panel
   ===================================================================== */
.chat{position:fixed;bottom:22px;inset-inline-end:22px;z-index:1150;display:flex;flex-direction:column;align-items:flex-end;gap:12px;font-family:var(--font-body)}
html[dir="rtl"] .chat{align-items:flex-start}
.chat__btn{position:relative;width:58px;height:58px;border-radius:50%;border:0;color:#fff;display:grid;place-items:center;background:linear-gradient(135deg,var(--teal),var(--primary));box-shadow:0 14px 34px -12px rgba(13,79,107,.75),0 0 0 1px rgba(255,255,255,.12) inset;transition:transform .25s var(--ease),box-shadow .25s;isolation:isolate}
.chat__btn::before{content:"";position:absolute;inset:-6px;border-radius:50%;border:2px solid var(--amber);opacity:0;animation:chatPulse 2.8s ease-out infinite;z-index:-1}
.chat__btn:hover{transform:translateY(-2px) scale(1.04);box-shadow:0 18px 38px -12px rgba(13,79,107,.85)}
.chat__btn svg{width:26px;height:26px;position:absolute;transition:opacity .2s,transform .3s var(--ease)}
.chat__btn .ic-x{opacity:0;transform:rotate(-90deg) scale(.6)}
.chat.is-open .chat__btn .ic-chat{opacity:0;transform:rotate(90deg) scale(.6)}
.chat.is-open .chat__btn .ic-x{opacity:1;transform:none}
.chat.is-open .chat__btn::before{animation:none}
.chat__dot{position:absolute;top:4px;inset-inline-end:4px;width:12px;height:12px;border-radius:50%;background:var(--amber);border:2px solid var(--paper)}
.chat.is-open .chat__dot{display:none}
@keyframes chatPulse{0%{transform:scale(.85);opacity:.7}70%{transform:scale(1.25);opacity:0}100%{opacity:0}}
.chat__hint{position:absolute;bottom:70px;inset-inline-end:0;white-space:nowrap;background:var(--slate);color:#fff;font-size:.85rem;font-weight:500;padding:8px 14px;border-radius:999px;box-shadow:0 12px 30px -14px rgba(0,0,0,.6);border:1px solid var(--glass-dark-border);animation:chatHint .4s var(--ease) both}
.chat__hint::after{content:"";position:absolute;bottom:-6px;inset-inline-end:22px;width:12px;height:12px;background:var(--slate);transform:rotate(45deg);border-inline-end:1px solid var(--glass-dark-border);border-bottom:1px solid var(--glass-dark-border)}
@keyframes chatHint{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.chat__panel{width:min(340px,calc(100vw - 44px));background:var(--glass);border:1px solid var(--glass-border);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-radius:20px;padding:16px;box-shadow:0 30px 60px -28px rgba(10,30,43,.6);display:grid;gap:10px;transform-origin:bottom right;animation:chatIn .28s var(--ease) both}
html[dir="rtl"] .chat__panel{transform-origin:bottom left}
@keyframes chatIn{from{opacity:0;transform:translateY(12px) scale(.96)}to{opacity:1;transform:none}}
.chat__head{display:flex;align-items:center;gap:12px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.chat__head strong{display:block;font-family:var(--font-display);font-size:1.05rem;color:var(--text);line-height:1.2}
.chat__head small{display:block;font-size:.76rem;color:var(--muted);margin-top:2px}
.chat__head>div{flex:1;min-width:0}
.chat__avatar{width:40px;height:40px;border-radius:11px;background:var(--ink-3);display:grid;align-content:center;gap:4px;padding:9px;border:1px solid var(--line-dark);flex:none}
.chat__avatar i{display:block;height:4px;border-radius:2px;background:var(--teal);width:70%}
.chat__avatar i:nth-child(2){background:var(--amber);width:100%;margin-inline-start:25%}
.chat__avatar i:nth-child(3){background:var(--red);width:50%}
.chat__close{background:transparent;border:0;color:var(--muted);font-size:1.5rem;line-height:1;width:32px;height:32px;border-radius:8px;display:grid;place-items:center}
.chat__close:hover{background:var(--line);color:var(--text)}
.chat__lead{font-size:.9rem;color:var(--muted);margin:0 0 2px}
.chat__opt{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:14px;border:1px solid var(--line);background:var(--white);color:var(--text);text-align:start;width:100%;font:inherit;transition:transform .2s var(--ease),border-color .2s,background .2s;position:relative}
.chat__opt:hover{transform:translateY(-1px);border-color:var(--teal)}
.chat__opt svg{width:22px;height:22px;flex:none}
.chat__opt span{display:grid;gap:1px;min-width:0;flex:1}
.chat__opt b{font-weight:600;font-size:.95rem}
.chat__opt small{font-size:.76rem;color:var(--muted)}
.chat__opt--wa svg{color:#25D366}
.chat__opt--mail svg{color:var(--teal)}
.chat__opt--live svg{color:var(--amber)}
.chat__opt[aria-disabled="true"]{cursor:default;opacity:.85}
.chat__opt[aria-disabled="true"]:hover{transform:none;border-color:var(--line)}
.chat__soon{font-style:normal;font-size:.68rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;background:rgba(244,180,0,.16);color:#9A6F00;border:1px solid rgba(244,180,0,.4);padding:2px 8px;border-radius:999px;flex:none}
html[data-theme="dark"] .chat__soon{color:var(--amber)}
html[data-theme="dark"] .chat__opt{background:rgba(15,36,51,.65)}
html[data-theme="dark"] .chat__dot{border-color:#0D2434}
@media (max-width:560px){.chat{bottom:16px;inset-inline-end:16px}.chat__btn{width:54px;height:54px}}
@media (prefers-reduced-motion:reduce){.chat__btn::before,.chat__panel,.chat__hint{animation:none}}
@media print{.chat{display:none}}

/* =====================================================================
   CONTROL PANEL — tabs, students, requests
   ===================================================================== */
.admin__tabs{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-bottom:22px;background:var(--glass);border:1px solid var(--glass-border);border-radius:14px;padding:6px}
.admin__tabs button{background:transparent;border:0;color:var(--text);padding:10px 16px;border-radius:10px;font-weight:600;font:inherit;display:flex;align-items:center;gap:6px}
.admin__tabs button b{font-size:.72rem;background:var(--amber);color:var(--slate);border-radius:999px;padding:1px 7px;min-width:20px;text-align:center}
.admin__tabs button b:empty{display:none}
.admin__tabs button.is-on{background:var(--amber);color:var(--slate)}
.admin__tabs button.is-on b{background:var(--slate);color:var(--amber)}
.admin__mode{margin-inline-start:auto;font-size:.78rem;color:var(--muted);padding:6px 12px}
.admin__mode.is-cloud{color:#22C55E}
.admin__toolbar{display:flex;gap:10px;align-items:center;margin-bottom:16px;flex-wrap:wrap}
.admin__toolbar input[type=search]{flex:1;min-width:220px}
.admin__toolbar select.sim__select{width:auto;min-width:180px}
.st__list,.rq__list{display:grid;gap:12px}
.st{display:grid;grid-template-columns:1.2fr 1.2fr auto;grid-template-areas:'who stats grant' 'courses courses courses';gap:14px 22px;align-items:center;background:var(--glass);border:1px solid var(--glass-border);border-radius:16px;padding:14px 18px}
.st__who{grid-area:who;display:flex;gap:12px;align-items:center;min-width:0}
.st__who>div{min-width:0}
.st__who .avatar{width:40px;height:40px;border-radius:50%;background:var(--teal-2);color:#fff;display:grid;place-items:center;font-weight:700;flex:none;font-size:.9rem}
.st__who b{display:block;line-height:1.2}
.st__who small{display:block;font-size:.74rem;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.st__stats{grid-area:stats;display:grid;grid-template-columns:repeat(4,1fr);gap:8px;text-align:center}
.st__stats span{display:grid;font-size:.68rem;color:var(--muted)}
.st__stats b{font-family:var(--font-display);font-size:1.05rem;color:var(--text)}
.st__courses{grid-area:courses;display:flex;flex-wrap:wrap;gap:6px;padding-top:10px;border-top:1px solid var(--line)}
.chip{white-space:nowrap;display:inline-flex;align-items:center;gap:6px;font-size:.74rem;font-weight:600;padding:4px 6px 4px 10px;border-radius:999px;background:rgba(26,122,158,.16);border:1px solid rgba(26,122,158,.35);color:var(--text)}
.chip--done{background:rgba(34,197,94,.14);border-color:rgba(34,197,94,.4)}
.chip button{background:transparent;border:0;color:var(--muted);font-size:1rem;line-height:1;padding:0 2px;cursor:pointer}
.chip button:hover{color:var(--red)}
.st__grant{grid-area:grant;display:grid;gap:6px;min-width:200px}
.rq{display:grid;grid-template-columns:auto 1.4fr 1.4fr auto;gap:18px;align-items:center;background:var(--glass);border:1px solid var(--glass-border);border-radius:16px;padding:14px 18px}
.rq.is-closed{opacity:.55}
.rq__who b,.rq__what b{display:block;line-height:1.25}
.rq__who small,.rq__what small{display:block;font-size:.76rem;color:var(--muted)}
.rq__who small a{text-decoration:underline;text-underline-offset:3px}
.rq__act{display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.auth__forgot{background:transparent;border:0;color:var(--muted);font-size:.85rem;text-decoration:underline;text-underline-offset:3px;justify-self:center;margin-top:4px}
.auth__err.is-ok{color:#22C55E}
@media (max-width:900px){.st{grid-template-columns:1fr;grid-template-areas:'who' 'stats' 'courses' 'grant'}.rq{grid-template-columns:1fr}.st__stats{grid-template-columns:repeat(4,1fr)}.rq__act{justify-content:flex-start}}

/* =====================================================================
   LEGAL PAGE + bilingual blocks (.t-en / .t-ar follow html[lang])
   ===================================================================== */
html[lang="en"] .t-ar{display:none!important}
html:not([lang="en"]) .t-en{display:none!important}
.legal__toc{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.legal__toc a{padding:8px 16px;border-radius:999px;border:1px solid var(--glass-dark-border);font-size:.9rem;font-weight:600;transition:border-color .2s}
.legal__toc a:hover{border-color:var(--amber)}
.legal{padding-top:40px}
.legal__wrap{max-width:860px;margin:0 auto}
.legal__doc{background:var(--glass);border:1px solid var(--glass-border);border-radius:20px;padding:clamp(22px,4vw,44px);line-height:1.85}
.legal__doc h2{font-size:clamp(1.5rem,2.6vw,2rem);margin:44px 0 12px;padding-top:26px;border-top:1px solid var(--line);scroll-margin-top:90px}
.legal__doc h2:first-child{margin-top:0;padding-top:0;border-top:0}
.legal__doc h3{font-size:1.08rem;margin:24px 0 8px;color:var(--text)}
.legal__doc p,.legal__doc li{color:var(--text);font-size:.98rem}
.legal__doc ul{padding-inline-start:22px;margin:0 0 12px;display:grid;gap:6px}
.legal__doc a{color:var(--amber);text-decoration:underline;text-underline-offset:3px}
.legal__links a{color:inherit}


/* =====================================================================
   TOOL PAGE: feature groups + clear download
   ===================================================================== */
.dl__hint{margin-top:12px;font-size:.9rem;color:rgba(255,255,255,.7)}
.dl__hint a{color:var(--amber);text-decoration:underline;text-underline-offset:3px}
.hero__cta .btn svg{width:18px;height:18px}
.feats--groups{grid-template-columns:repeat(2,1fr)}
.feat--group p{margin-bottom:14px}
.chips{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.chips li{font-size:.76rem;font-weight:600;padding:4px 10px;border-radius:999px;background:rgba(26,122,158,.14);border:1px solid rgba(26,122,158,.3);color:var(--text);white-space:nowrap}
#download .container{display:grid;grid-template-columns:1.6fr 1fr;gap:28px;align-items:start}
.dl__card--main{padding:clamp(22px,3.5vw,36px)}
.dl__head{display:grid;gap:20px}
.dl__ver{font-size:.95rem;color:var(--muted);margin:0}
.dl__btns{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.dl__btn{display:flex;align-items:center;gap:14px;padding:16px 18px;border-radius:16px;border:1px solid var(--glass-border);background:rgba(255,255,255,.04);color:var(--text);transition:transform .2s var(--ease),border-color .2s}
.dl__btn:hover{transform:translateY(-2px);border-color:var(--amber)}
.dl__btn svg{width:26px;height:26px;flex:none}
.dl__btn>span{display:grid;gap:2px}
.dl__btn b{font-family:var(--font-display);font-size:1.1rem}
.dl__btn small{font-size:.78rem;color:var(--muted)}
.dl__btn--main{background:var(--amber);border-color:var(--amber);color:var(--slate)}
.dl__btn--main small{color:rgba(26,42,53,.75)}
.dl__steps{margin:26px 0 0;padding:0;list-style:none;counter-reset:st;display:grid;gap:12px}
.dl__steps li{counter-increment:st;position:relative;padding-inline-start:44px;min-height:30px;line-height:1.6}
.dl__steps li::before{content:counter(st);position:absolute;inset-inline-start:0;top:0;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-family:var(--font-mono);font-weight:600;font-size:.85rem;background:rgba(244,180,0,.16);color:var(--amber);border:1px solid rgba(244,180,0,.4)}
.dl__check{margin-top:22px;font-size:.88rem;color:var(--muted)}
.dl__check summary{cursor:pointer;font-weight:600;color:var(--text)}
.dl__check code{font-family:var(--font-mono);font-size:.78rem}
.dl__hash{display:inline-block;word-break:break-all;background:rgba(0,0,0,.25);padding:2px 6px;border-radius:6px}
.dl__side{background:var(--glass);border:1px solid var(--glass-border);border-radius:20px;padding:24px}
.dl__side h3{margin-bottom:14px}
.dl__side .tool__points li{font-weight:400;font-size:.95rem}
.dl__side a{color:var(--amber);text-decoration:underline}
@media (max-width:900px){.feats--groups,#download .container,.dl__btns{grid-template-columns:1fr}}


/* ---------- tool gallery ---------- */
.gal{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}
.gal__item{margin:0;background:var(--glass);border:1px solid var(--glass-border);border-radius:16px;overflow:hidden;display:flex;flex-direction:column}
.gal__open{display:block;padding:0;border:0;background:#0b2230;cursor:zoom-in;aspect-ratio:4/3;overflow:hidden}
.gal__open img{width:100%;height:100%;object-fit:cover;object-position:top center;transition:transform .4s var(--ease)}
.gal__open:hover img{transform:scale(1.03)}
.gal__item figcaption{padding:12px 16px 16px;display:grid;gap:3px;font-size:.88rem;color:var(--muted)}
.gal__item figcaption b{font-family:var(--font-display);font-size:1.02rem;color:var(--text)}
.gal__box{border:0;padding:0;background:transparent;max-width:min(1100px,94vw);max-height:92vh;overflow:visible}
.gal__box::backdrop{background:rgba(5,15,22,.88)}
.gal__box img{display:block;max-width:100%;max-height:82vh;border-radius:12px;margin:0 auto;box-shadow:0 30px 80px -30px #000}
.gal__box p{color:#E6EEF3;text-align:center;margin:12px 0 0;display:grid;gap:2px}
.gal__close{position:absolute;top:-14px;inset-inline-end:-14px;width:36px;height:36px;border-radius:50%;border:0;background:var(--amber);color:var(--slate);font-size:1.4rem;line-height:1;cursor:pointer}

/* ---------- login: Google first ---------- */
.auth__google{display:flex;justify-content:center;min-height:44px;margin:6px 0 4px}
.auth__gnote{text-align:center;font-size:.85rem;color:var(--on-dark);margin:12px 0 4px;line-height:1.6}
.auth__more{display:block;margin:10px auto 0;background:transparent;border:0;color:var(--amber);font-size:.9rem;font-weight:600;text-decoration:underline;text-underline-offset:4px;cursor:pointer}
.auth__card .auth__tabs[hidden]+.auth__google{margin-top:0}

/* Google button: the page's dark color-scheme makes the button iframe paint an opaque white box;
   a light color-scheme on its container keeps the iframe transparent */
.auth__google{color-scheme:light;background:transparent}
.auth__google iframe{color-scheme:light;background:transparent!important;border-radius:999px}
.auth__google > div{background:transparent!important}


/* ---------- tool page: what's new + faq ---------- */
.news{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.news__item{background:var(--glass);border:1px solid var(--glass-border);border-radius:16px;padding:20px 22px;border-top:3px solid var(--amber)}
.news__item h3{font-size:1.05rem;margin-bottom:6px}
.news__item p{margin:0;color:var(--muted);font-size:.93rem;line-height:1.7}
.faq__list{display:grid;gap:10px}
html[data-theme="dark"] .faq details{background:var(--glass);border-color:var(--glass-border)}
@media (max-width:860px){.faq{grid-template-columns:1fr}}


/* ---------- reviews widget ---------- */
.rv__head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap;margin-bottom:22px}
.rv__head h2{margin:0}
.rv__score{display:flex;align-items:center;gap:12px}
.rv__score b{font-family:var(--font-display);font-size:2.6rem;line-height:1;color:var(--amber)}
.rv__score small{display:block;font-size:.8rem;color:var(--muted)}
.rv__star{color:rgba(184,221,233,.25);font-size:1.05rem}
.rv__star.is-on{color:var(--amber)}
.rv__grid{display:grid;grid-template-columns:1.5fr 1fr;gap:22px;align-items:start}
.rv__list{display:grid;gap:12px}
.rv__item{background:var(--glass);border:1px solid var(--glass-border);border-radius:16px;padding:16px 18px}
.rv__who{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.rv__who .avatar{width:36px;height:36px;border-radius:50%;background:var(--teal-2);color:#fff;display:grid;place-items:center;font-weight:700;font-size:.8rem;flex:none}
.rv__who b{display:block;line-height:1.2}
.rv__who small{display:block;font-size:.76rem;color:var(--muted)}
.rv__who>div{flex:1;min-width:0}
.rv__item p{margin:0 0 6px;line-height:1.7}
.rv__item time{font-size:.75rem;color:var(--muted)}
.rv__form{background:var(--glass);border:1px solid var(--glass-border);border-radius:16px;padding:20px;display:grid;gap:12px}
.rv__form h3{margin:0}
.rv__form label{display:grid;gap:6px;font-size:.85rem;color:var(--muted)}
.rv__form input,.rv__form textarea{font:inherit;color:var(--text);background:rgba(0,0,0,.18);border:1px solid var(--glass-border);border-radius:10px;padding:10px 12px}
.rv__form--login{text-align:center;justify-items:center}
.rv__pick{display:flex;gap:4px}
.rv__pick button{background:transparent;border:0;font-size:1.8rem;line-height:1;color:rgba(184,221,233,.25);cursor:pointer;padding:0 2px}
.rv__pick button.is-on{color:var(--amber)}
.rv__status{margin:0;font-size:.85rem;color:var(--amber)}
@media (max-width:860px){.rv__grid{grid-template-columns:1fr}}

/* =====================================================================
   FREE XER CHECKER
   ===================================================================== */
.xc__hero{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center}
.xc__privacy{display:flex;align-items:center;gap:10px;color:var(--on-dark);font-size:.92rem;margin-top:14px}
.xc__privacy svg{width:18px;height:18px;color:#22C55E;flex:none}
.xc__drop{display:grid;justify-items:center;gap:8px;text-align:center;padding:44px 24px;border:2px dashed rgba(244,180,0,.45);border-radius:22px;background:rgba(10,30,43,.45);cursor:pointer;transition:border-color .2s,background .2s,transform .2s var(--ease);color:#E6EEF3}
.xc__drop:hover,.xc__drop.is-over{border-color:var(--amber);background:rgba(244,180,0,.08);transform:translateY(-2px)}
.xc__drop svg{width:44px;height:44px;color:var(--amber)}
.xc__drop b{font-family:var(--font-display);font-size:1.25rem}
.xc__drop small{color:var(--on-dark)}
.xc__status{min-height:1.2em;font-size:.88rem;color:#22C55E;font-weight:600}
.xc__status.is-bad{color:var(--red)}
.xc{padding-top:40px}
.xc__bar{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.xc__bar h2{margin:0}
.xc__bar-actions{display:flex;gap:10px;align-items:center}
.xc__tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px;margin-bottom:22px}
.xc__tile{background:var(--glass);border:1px solid var(--glass-border);border-radius:14px;padding:12px 14px;display:grid;gap:4px}
.xc__tile small{font-size:.74rem;color:var(--muted)}
.xc__tile b{font-family:var(--font-display);font-size:1.15rem}
.xc__tile .ok{color:#22C55E}.xc__tile .warn{color:var(--amber)}
.xc__grid{display:grid;grid-template-columns:360px 1fr;gap:20px;align-items:start}
.xc__panel{background:var(--glass);border:1px solid var(--glass-border);border-radius:18px;padding:18px;min-width:0}
.xc__panel h3{margin:0 0 6px}
.xc__checks{display:grid;gap:6px;margin-top:10px}
.xc__check{display:flex;align-items:center;gap:10px;text-align:start;width:100%;padding:10px 12px;border-radius:12px;border:1px solid var(--line);background:rgba(0,0,0,.12);color:var(--text);font:inherit;cursor:pointer;transition:border-color .2s}
.xc__check:disabled{cursor:default;opacity:.8}
.xc__check.is-on{border-color:var(--amber);background:rgba(244,180,0,.08)}
.xc__dot{width:10px;height:10px;border-radius:50%;flex:none;background:var(--muted)}
.xc__check.is-ok .xc__dot{background:#22C55E}.xc__check.is-bad .xc__dot{background:var(--red)}.xc__check.is-info .xc__dot{background:var(--teal)}
.xc__cname{flex:1;min-width:0;font-size:.9rem;font-weight:600;line-height:1.3}
.xc__cname small{display:block;font-weight:400;font-size:.72rem;color:var(--muted);margin-top:2px}
.xc__check b{font-family:var(--font-mono);font-size:.9rem}
.xc__check.is-bad b{color:var(--red)}
.xc__acts-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.xc__acts-head small{font-weight:400;color:var(--muted);font-size:.85rem}
.xc__acts-head input{max-width:240px}
.xc__filter{font-size:.85rem;margin-bottom:8px;color:var(--muted)}
.xc__filter button{background:var(--amber);color:var(--slate);border:0;border-radius:50%;width:22px;height:22px;cursor:pointer;margin-inline-start:6px}
.xc__table-wrap{overflow:auto;max-height:620px;border:1px solid var(--line);border-radius:12px}
.xc__table{width:100%;border-collapse:collapse;font-size:.8rem}
.xc__table th{position:sticky;top:0;background:#12303f;color:#E6EEF3;text-align:start;padding:8px 10px;font-weight:600;white-space:nowrap;z-index:1}
html[data-theme="light"] .xc__table th{background:#dfeaf0;color:var(--text)}
.xc__table td{padding:7px 10px;border-top:1px solid var(--line);vertical-align:top}
.xc__table td.mono{font-family:var(--font-mono);font-size:.74rem;white-space:nowrap}
.xc__table td.num{text-align:end;font-family:var(--font-mono);white-space:nowrap}
.xc__table td.neg{color:var(--red);font-weight:600}
.xc__table tr:hover td{background:rgba(244,180,0,.05)}
.xc__tag{display:inline-block;font-size:.66rem;padding:1px 7px;border-radius:999px;background:rgba(228,87,61,.14);border:1px solid rgba(228,87,61,.35);margin:1px 3px 1px 0;white-space:nowrap}
.xc__more{margin-top:10px}
.xc__cta{margin-top:26px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;background:linear-gradient(120deg,rgba(21,96,130,.35),rgba(244,180,0,.12));border:1px solid var(--glass-border);border-radius:18px;padding:22px 26px}
.xc__cta h3{margin:0 0 4px}.xc__cta p{margin:0;color:var(--muted)}
@media (max-width:980px){.xc__hero,.xc__grid{grid-template-columns:1fr}}
.xc__promo{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin:0 0 18px;padding:14px 18px;border-radius:14px;border:1px solid rgba(244,180,0,.4);background:rgba(244,180,0,.08);color:var(--text)}
.xc__promo b{font-family:var(--font-display)}
.xc__promo span{color:var(--muted);font-size:.92rem;flex:1}
.xc__promo i{font-style:normal;color:var(--amber);font-size:1.3rem}

.xc__table td:nth-child(2){min-width:240px}
.xc__table td:nth-child(4){white-space:nowrap}


/* =====================================================================
   PRODUCT TOUR — cinematic slider, cover-flow ghosts, scroll-driven 3D
   reveal, two-row marquee. Motion off for prefers-reduced-motion.
   ===================================================================== */
.show{position:relative;overflow:hidden;padding-bottom:40px}
.show__bg{position:absolute;inset:0;pointer-events:none}
.show__bg i{position:absolute;width:60vmax;height:60vmax;border-radius:50%;filter:blur(0);opacity:.55}
.show__bg i:first-child{left:-20vmax;top:-10vmax;background:radial-gradient(circle,rgba(21,96,130,.45),transparent 65%)}
.show__bg i:last-child{right:-25vmax;bottom:-25vmax;background:radial-gradient(circle,rgba(244,180,0,.16),transparent 65%)}
.show__head{position:relative}
.show__stage{position:relative;display:grid;grid-template-columns:minmax(260px,330px) 1fr;gap:34px;align-items:center;margin-top:10px;perspective:1600px}

/* feature tabs with per-slide progress */
.show__tabs{list-style:none;margin:0;padding:0 4px 0 0;display:grid;gap:6px;max-height:560px;overflow:auto;scrollbar-width:none}
.show__tabs::-webkit-scrollbar{display:none}
.show__tabs button{position:relative;width:100%;display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:start;text-align:start;padding:12px 14px 14px;border-radius:14px;border:1px solid transparent;background:transparent;color:var(--text);font:inherit;cursor:pointer;transition:background .35s var(--ease),border-color .35s,transform .35s var(--ease);overflow:hidden}
.show__tabs button:hover{background:rgba(255,255,255,.04)}
.show__tabs button.is-on{background:var(--glass);border-color:var(--glass-border);transform:translateX(4px)}
html[dir="rtl"] .show__tabs button.is-on{transform:translateX(-4px)}
.show__num{font-family:var(--font-mono);font-size:.78rem;color:var(--muted);padding-top:3px;transition:color .3s}
.show__tabs button.is-on .show__num{color:var(--amber)}
.show__txt b{display:block;font-family:var(--font-display);font-size:1rem;line-height:1.25}
.show__txt small{display:grid;grid-template-rows:0fr;opacity:0;font-size:.8rem;color:var(--muted);line-height:1.55;transition:grid-template-rows .45s var(--ease),opacity .45s,margin .45s;margin-top:0}
.show__txt small>span{overflow:hidden}
.show__tabs button.is-on .show__txt small{grid-template-rows:1fr;opacity:1;margin-top:4px}
.show__bar{position:absolute;left:14px;right:14px;bottom:6px;height:2px;border-radius:2px;background:rgba(184,221,233,.12);opacity:0;transition:opacity .3s}
.show__tabs button.is-on .show__bar{opacity:1}
.show__bar i{display:block;height:100%;border-radius:2px;background:linear-gradient(90deg,var(--teal),var(--amber));transform:scaleX(0);transform-origin:left}
html[dir="rtl"] .show__bar i{transform-origin:right}

/* the window */
.show__deck{position:relative;transform-style:preserve-3d}
.show__window{--rx:0deg;--ry:0deg;--gx:50%;--gy:0%;position:relative;margin:0;border-radius:18px;overflow:hidden;background:#0b2230;border:1px solid rgba(184,221,233,.18);box-shadow:0 50px 100px -40px rgba(0,0,0,.85),0 0 0 1px rgba(255,255,255,.04) inset,0 0 80px -30px rgba(26,122,158,.6);transform:rotateX(var(--rx)) rotateY(var(--ry));transition:transform .5s var(--ease);z-index:2;will-change:transform}
.show__chrome{display:flex;align-items:center;gap:12px;padding:10px 14px;background:linear-gradient(180deg,#15384b,#102c3b);border-bottom:1px solid rgba(184,221,233,.12);color:#cfe3ec;font-size:.8rem}
.show__lights{display:flex;gap:6px}
.show__lights i{width:11px;height:11px;border-radius:50%;background:#e4573d}
.show__lights i:nth-child(2){background:#f4b400}.show__lights i:nth-child(3){background:#22c55e}
.show__title{flex:1;text-align:center;font-family:var(--font-mono);font-size:.74rem;opacity:.8;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.show__zoom{background:transparent;border:1px solid rgba(184,221,233,.2);color:#cfe3ec;border-radius:8px;width:28px;height:24px;cursor:pointer;line-height:1}
.show__screens{position:relative;aspect-ratio:1060/760;cursor:zoom-in;background:radial-gradient(120% 90% at 50% 0%,#12394c,#081a24)}
.show__screens img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:14px;opacity:0;transform:scale(1.04) translateY(10px);filter:blur(6px);transition:opacity .9s var(--ease),transform 1.2s var(--ease),filter .9s}
.show__screens img.is-on{opacity:1;transform:none;filter:none;animation:showKen 6.5s ease-out both}
@keyframes showKen{from{transform:scale(1)}to{transform:scale(1.035)}}
.show__shine{position:absolute;inset:0;pointer-events:none;background:radial-gradient(600px circle at var(--gx) var(--gy),rgba(255,255,255,.08),transparent 40%);opacity:0;transition:opacity .4s;z-index:3}
.show__stage.is-hover .show__shine{opacity:1}
.show__window.is-swap{animation:showPulse .7s var(--ease)}
@keyframes showPulse{0%{box-shadow:0 50px 100px -40px rgba(0,0,0,.85),0 0 0 1px rgba(244,180,0,.5) inset,0 0 80px -30px rgba(244,180,0,.5)}100%{}}

/* cover-flow ghosts peeking behind */
.show__ghost{position:absolute;top:8%;width:62%;aspect-ratio:1060/760;border-radius:16px;overflow:hidden;background:#0b2230;border:1px solid rgba(184,221,233,.12);opacity:.35;filter:saturate(.6) blur(1px);z-index:1;transition:opacity .6s}
.show__ghost img{width:100%;height:100%;object-fit:contain;padding:10px}
.show__ghost--prev{left:-8%;transform:translateZ(-220px) rotateY(24deg)}
.show__ghost--next{right:-8%;transform:translateZ(-220px) rotateY(-24deg)}

/* controls */
.show__ctrls{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:18px;position:relative;z-index:3}
.show__arrow,.show__play{width:40px;height:40px;border-radius:50%;border:1px solid var(--glass-border);background:var(--glass);color:var(--text);font-size:1.4rem;line-height:1;cursor:pointer;transition:border-color .2s,transform .2s var(--ease)}
.show__play{font-size:.8rem}
.show__arrow:hover,.show__play:hover{border-color:var(--amber);transform:translateY(-2px)}
.show__dots{display:flex;gap:6px}
.show__dots button{width:8px;height:8px;border-radius:999px;border:0;background:rgba(184,221,233,.25);cursor:pointer;padding:0;transition:width .35s var(--ease),background .35s}
.show__dots button.is-on{width:26px;background:var(--amber)}

/* scroll-driven 3D reveal (JS class fallback where unsupported) */
.show__deck{transform:rotateX(16deg) scale(.93) translateY(30px);opacity:.4;transition:transform 1.1s var(--ease),opacity 1.1s}
.show__stage.is-in .show__deck{transform:none;opacity:1}
@supports (animation-timeline: view()){
  .show__deck{transition:none;animation:showRise linear both;animation-timeline:view();animation-range:entry 5% cover 38%}
  .show__stage.is-in .show__deck{transform:none}
  @keyframes showRise{from{transform:rotateX(18deg) scale(.9) translateY(50px);opacity:.25}to{transform:none;opacity:1}}
}

/* marquee */
.show__marquee{position:relative;margin-top:56px;display:grid;gap:14px;-webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.show__row{overflow:hidden}
.show__track{display:flex;gap:14px;width:max-content;animation:showMarquee 46s linear infinite}
.show__row--rev .show__track{animation-direction:reverse;animation-duration:52s}
.show__marquee:hover .show__track{animation-play-state:paused}
@keyframes showMarquee{to{transform:translateX(-50%)}}
html[dir="rtl"] .show__track{animation-name:showMarqueeRtl}
@keyframes showMarqueeRtl{to{transform:translateX(50%)}}
.show__card{position:relative;flex:none;width:260px;aspect-ratio:1060/760;border-radius:14px;overflow:hidden;border:1px solid var(--glass-border);background:#0b2230;padding:0;cursor:pointer;transition:transform .35s var(--ease),border-color .35s}
.show__card img{width:100%;height:100%;object-fit:cover;object-position:top;opacity:.85;transition:opacity .35s}
.show__card span{position:absolute;left:0;right:0;bottom:0;padding:18px 12px 8px;background:linear-gradient(transparent,rgba(5,15,22,.9));color:#fff;font-size:.78rem;font-weight:600;text-align:start}
.show__card:hover{transform:translateY(-4px) scale(1.02);border-color:var(--amber)}
.show__card:hover img{opacity:1}

@media (max-width:980px){
  .show__stage{grid-template-columns:1fr}
  .show__tabs{grid-auto-flow:column;grid-auto-columns:minmax(220px,1fr);overflow-x:auto;max-height:none;order:2;padding-bottom:6px}
  .show__txt small{display:none}
  .show__ghost{display:none}
  .show__card{width:200px}
}
@media (prefers-reduced-motion: reduce){
  .show__deck{animation:none!important;transform:none!important;opacity:1!important}
  .show__screens img,.show__screens img.is-on{transition:opacity .2s;animation:none;filter:none;transform:none}
  .show__track{animation:none}
  .show__row{overflow-x:auto}
}


/* ---------- comments widget ---------- */
.cm{max-width:900px}
.cm__head h2{margin:0 0 18px}
.cm__head h2 small{font-family:var(--font-mono);font-size:.9rem;color:var(--amber);vertical-align:middle;margin-inline-start:6px}
.cm__form{display:grid;gap:10px;background:var(--glass);border:1px solid var(--glass-border);border-radius:16px;padding:14px;margin-bottom:20px}
.cm__form textarea{font:inherit;color:var(--text);background:rgba(0,0,0,.18);border:1px solid var(--glass-border);border-radius:12px;padding:12px 14px;resize:vertical;min-height:70px}
.cm__form textarea:focus{outline:none;border-color:var(--amber)}
.cm__form-foot{display:flex;align-items:center;justify-content:flex-end;gap:10px;flex-wrap:wrap}
.cm__form-foot .auth__err{margin:0;margin-inline-end:auto}
.cm__form--reply{margin:10px 0 0;margin-inline-start:48px;padding:10px}
.cm__login{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;background:var(--glass);border:1px solid var(--glass-border);border-radius:16px;padding:14px 18px;margin-bottom:20px}
.cm__login p{margin:0;color:var(--muted)}
.cm__list{display:grid;gap:14px}
.cm__thread{background:var(--glass);border:1px solid var(--glass-border);border-radius:16px;padding:14px 16px}
.cm__item{display:grid;grid-template-columns:36px 1fr;gap:12px}
.cm__item .avatar{width:36px;height:36px;border-radius:50%;background:var(--teal-2);color:#fff;display:grid;place-items:center;font-weight:700;font-size:.78rem}
.cm__item.is-owner .avatar{background:var(--ink-3);border:1px solid var(--amber)}
.cm__mark{width:16px;height:12px;display:block;background:linear-gradient(var(--teal),var(--teal)) 0 0/70% 3px no-repeat,linear-gradient(var(--amber),var(--amber)) 100% 50%/80% 3px no-repeat,linear-gradient(var(--red),var(--red)) 0 100%/45% 3px no-repeat}
.cm__main{min-width:0}
.cm__meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.cm__meta b{font-size:.92rem}
.cm__meta time{font-size:.74rem;color:var(--muted)}
.cm__badge{font-size:.66rem;font-weight:700;padding:1px 8px;border-radius:999px;background:rgba(244,180,0,.18);color:var(--amber);border:1px solid rgba(244,180,0,.4)}
.cm__main p{margin:4px 0 6px;line-height:1.7;word-wrap:break-word}
.cm__actions{display:flex;gap:12px}
.cm__actions button{background:transparent;border:0;padding:0;color:var(--muted);font-size:.8rem;font-weight:600;cursor:pointer}
.cm__actions button:hover{color:var(--amber)}
.cm__replies{margin-top:12px;margin-inline-start:48px;padding-inline-start:14px;border-inline-start:2px solid var(--line);display:grid;gap:12px}
.wcard__rate{margin:-4px 0 8px;font-size:.88rem;font-weight:600}
.wcard__rate span{color:var(--amber)}
.wcard__rate small{color:var(--muted);font-weight:400}
@media (max-width:600px){.cm__replies,.cm__form--reply{margin-inline-start:12px}}


/* =====================================================================
   HOME HERO — live exam simulator card
   ===================================================================== */
.hsim{position:relative;background:var(--glass-dark);border:1px solid var(--glass-dark-border);border-radius:20px;padding:18px 20px;color:#E6EEF3;box-shadow:0 40px 80px -40px rgba(0,0,0,.75),inset 0 1px 0 rgba(184,221,233,.12);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);opacity:0;transform:translateY(20px) rotate(-1deg);animation:cardIn 1s var(--ease) .3s forwards}
.hsim::before{content:"";position:absolute;inset:-1px;border-radius:21px;padding:1px;background:linear-gradient(140deg,rgba(244,180,0,.55),transparent 35%,transparent 65%,rgba(26,122,158,.6));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.hsim__head{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:.8rem;color:rgba(230,238,243,.75)}
.hsim__exam{display:flex;align-items:center;gap:6px;white-space:nowrap}
.hsim__exam i{width:7px;height:7px;border-radius:50%;background:#22C55E;box-shadow:0 0 10px #22C55E;animation:blink 1.4s infinite}
.hsim__exam b{color:var(--amber);font-weight:600}
.hsim__timer{font-family:var(--font-mono);font-size:.82rem;padding:3px 10px;border-radius:999px;background:rgba(0,0,0,.25);border:1px solid rgba(184,221,233,.15)}
.hsim__bar{height:4px;border-radius:4px;background:rgba(184,221,233,.12);margin:12px 0 14px;overflow:hidden}
.hsim__bar span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--teal),var(--amber));transition:width .8s var(--ease)}
.hsim__q small{font-family:var(--font-mono);font-size:.72rem;color:rgba(230,238,243,.55)}
.hsim__q p{font-family:var(--font-display);font-size:1.02rem;line-height:1.45;margin:4px 0 12px;min-height:3em;transition:opacity .35s}
.hsim__opts{list-style:none;margin:0;padding:0;display:grid;gap:7px;counter-reset:o}
.hsim__opts li{counter-increment:o;position:relative;display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:12px;border:1px solid rgba(184,221,233,.14);background:rgba(0,0,0,.16);font-size:.86rem;transition:border-color .35s,background .35s,transform .35s var(--ease),opacity .35s}
.hsim__opts li::before{content:counter(o,upper-alpha);width:22px;height:22px;flex:none;border-radius:7px;display:grid;place-items:center;font-family:var(--font-mono);font-size:.72rem;background:rgba(184,221,233,.1)}
.hsim__opts li.is-hover{border-color:rgba(244,180,0,.6);transform:translateX(3px)}
html[dir="rtl"] .hsim__opts li.is-hover{transform:translateX(-3px)}
.hsim__opts li.is-right{border-color:#22C55E;background:rgba(34,197,94,.14)}
.hsim__opts li.is-right::before{content:"✓";background:#22C55E;color:#062b14}
.hsim__opts li.is-dim{opacity:.45}
.hsim__exp{margin-top:10px;font-size:.8rem;line-height:1.6;color:rgba(230,238,243,.8);padding:0 12px;border-inline-start:3px solid var(--amber);max-height:0;opacity:0;overflow:hidden;transition:max-height .5s var(--ease),opacity .5s,padding .5s}
.hsim__exp.is-on{max-height:90px;opacity:1;padding:6px 12px}
.hsim__foot{display:flex;align-items:center;gap:14px;margin-top:14px;padding-top:12px;border-top:1px solid rgba(184,221,233,.12)}
.hsim__ring{position:relative;width:52px;height:52px;flex:none}
.hsim__ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.hsim__ring circle{fill:none;stroke-width:4;stroke:rgba(184,221,233,.14)}
.hsim__ring circle+circle{stroke:var(--amber);stroke-linecap:round;stroke-dasharray:113.1;stroke-dashoffset:113.1;transition:stroke-dashoffset 1s var(--ease)}
.hsim__ring b{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--font-mono);font-size:.72rem}
.hsim__certs{display:flex;flex-wrap:wrap;gap:6px}
.hsim__certs span{font-size:.7rem;font-weight:600;padding:3px 9px;border-radius:999px;border:1px solid rgba(184,221,233,.18);color:rgba(230,238,243,.7);transition:all .4s var(--ease)}
.hsim__certs span.is-on{background:var(--amber);border-color:var(--amber);color:#2B1D02}
@media (prefers-reduced-motion: reduce){.hsim{animation:none;opacity:1;transform:none}.hsim__opts li,.hsim__exp,.hsim__bar span,.hsim__ring circle+circle{transition:none}}


/* ---------- hero polish (2026-09-15): labels line up with their bars; calmer amber glow on the tool page ---------- */
.gantt__weeks{height:16px;line-height:16px}
.gantt__labels{padding-top:22px}
.hero--tool .hero__glow--a{opacity:.16}
.hero--tool .hero__glow--b{opacity:.3}


/* ---------- certificates: student tab + owner tab ---------- */
.nav__badge{display:inline-grid;place-items:center;min-width:18px;height:18px;padding:0 5px;border-radius:999px;background:var(--amber);color:#2B1D02;font-size:.7rem;margin-inline-start:4px}
.certs{display:grid;gap:14px;margin-top:14px}
.cert-card{background:var(--glass);border:1px solid var(--glass-border);border-radius:16px;padding:16px 18px;display:grid;gap:12px}
.cert-card.is-off{opacity:.6}
.cert-card__top{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center}
.cert-card__top h3{margin:0;font-size:1.02rem}
.cert-card__top small{color:var(--muted);font-family:var(--font-mono);font-size:.74rem}
.cert-card__icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-size:1.3rem;background:rgba(244,180,0,.12);border:1px solid rgba(244,180,0,.35)}
.cert-card__name{margin:0;font-family:'Cormorant Garamond',Georgia,serif;font-size:1.5rem;font-weight:700}
.cert-card__actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.cert-card__form{display:grid;gap:10px;max-width:460px}
.cert-card__form label{display:grid;gap:6px;font-size:.84rem;color:var(--muted)}
.cert-card__form input{font:inherit;color:var(--text);background:rgba(0,0,0,.18);border:1px solid var(--glass-border);border-radius:10px;padding:10px 12px}
.cert-card__form input:focus{outline:none;border-color:var(--amber)}
.cert-card__form .btn{justify-self:start}
.ct__h{margin:22px 0 10px;font-size:1.05rem}
.ct__issue input{min-width:220px}
@media (max-width:600px){.cert-card__top{grid-template-columns:auto 1fr}.cert-card__top .tag{grid-column:1/-1;justify-self:start}}


/* =====================================================================
   COURSE PLAYER — sections + Elwaha video player (2026-09-15)
   ===================================================================== */
.cur-sec{border:1px solid var(--glass-border);border-radius:12px;margin-bottom:8px;background:rgba(0,0,0,.12);overflow:hidden}
.cur-sec>summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:10px;padding:12px 14px;font-weight:600}
.cur-sec>summary::-webkit-details-marker{display:none}
.cur-sec>summary::before{content:"";width:8px;height:8px;border-right:2px solid var(--amber);border-bottom:2px solid var(--amber);transform:rotate(-45deg);transition:transform .25s;flex:none}
html[dir="rtl"] .cur-sec>summary::before{transform:rotate(135deg)}
.cur-sec[open]>summary::before{transform:rotate(45deg)}
.cur-sec[open]>summary{border-bottom:1px solid var(--glass-border)}
.cur-sec__t{flex:1;font-family:var(--font-display);font-size:.95rem}
.cur-sec__m{font-family:var(--font-mono);font-size:.72rem;color:var(--muted);white-space:nowrap}
.cur-sec.is-done .cur-sec__m{color:#22C55E}
.cur-sec .cur-item{margin:4px 6px}
.led__sec{margin:14px 0 6px;font-family:var(--font-display);font-weight:700;color:var(--amber)}

.player.is-theater{grid-template-columns:1fr}
.player.is-theater .curriculum{position:static;max-height:none}
.ep{position:relative;width:100%;height:100%;background:#000;color:#fff;overflow:hidden;user-select:none}
.ep video,.ep iframe{width:100%;height:100%;display:block;border:0;background:#000}
.ep__big{position:absolute;inset:0;margin:auto;width:78px;height:78px;border-radius:50%;border:0;background:rgba(244,180,0,.92);color:#2B1D02;display:grid;place-items:center;cursor:pointer;box-shadow:0 10px 40px rgba(0,0,0,.5);transition:transform .2s,opacity .2s}
.ep__big svg{width:30px;height:30px;margin-left:4px}
.ep__big:hover{transform:scale(1.06)}
.ep.is-playing .ep__big{opacity:0;pointer-events:none}
.ep__flash{position:absolute;inset:0;margin:auto;width:64px;height:64px;border-radius:50%;background:rgba(0,0,0,.55);display:grid;place-items:center;font:600 .85rem var(--font-mono);opacity:0;pointer-events:none}
.ep__flash.is-on{animation:epFlash .6s ease}
@keyframes epFlash{0%{opacity:1;transform:scale(.85)}100%{opacity:0;transform:scale(1.25)}}
.ep__bar{position:absolute;left:0;right:0;bottom:0;padding:22px 14px 10px;background:linear-gradient(transparent,rgba(0,0,0,.8));display:grid;gap:8px;transition:opacity .3s}
.ep.is-playing.is-idle .ep__bar{opacity:0}
.ep.is-playing.is-idle{cursor:none}
.ep__seek{position:relative;height:16px;cursor:pointer;display:flex;align-items:center}
.ep__track{position:relative;width:100%;height:4px;border-radius:4px;background:rgba(255,255,255,.25);transition:height .15s}
.ep__seek:hover .ep__track{height:6px}
.ep__buf,.ep__fill{position:absolute;left:0;top:0;bottom:0;border-radius:4px}
.ep__buf{background:rgba(255,255,255,.35)}
.ep__fill{background:var(--amber)}
.ep__fill::after{content:"";position:absolute;right:-6px;top:50%;width:12px;height:12px;margin-top:-6px;border-radius:50%;background:var(--amber);transform:scale(0);transition:transform .15s}
.ep__seek:hover .ep__fill::after{transform:scale(1)}
.ep__tip{position:absolute;bottom:18px;padding:2px 7px;border-radius:6px;background:rgba(0,0,0,.85);font:500 .72rem var(--font-mono);transform:translateX(-50%);pointer-events:none;opacity:0}
.ep__seek:hover .ep__tip{opacity:1}
.ep__row{display:flex;align-items:center;gap:4px;direction:ltr}
.ep__btn{width:36px;height:36px;border:0;border-radius:9px;background:transparent;color:#fff;display:grid;place-items:center;cursor:pointer;flex:none;position:relative}
.ep__btn:hover,.ep__btn[aria-pressed="true"]{background:rgba(255,255,255,.14)}
.ep__btn svg{width:20px;height:20px}
.ep__btn small{font:600 .56rem var(--font-mono);position:absolute;bottom:3px}
.ep__time{font:500 .78rem var(--font-mono);margin:0 8px;white-space:nowrap;opacity:.9}
.ep__sp{flex:1}
.ep__vol{width:0;opacity:0;transition:width .2s,opacity .2s;accent-color:var(--amber)}
.ep__volwrap{display:flex;align-items:center}
.ep__volwrap:hover .ep__vol,.ep__vol:focus{width:80px;opacity:1;margin-right:6px}
.ep__speed{height:32px;border-radius:8px;border:1px solid rgba(255,255,255,.25);background:rgba(0,0,0,.4);color:#fff;font:600 .76rem var(--font-mono);padding:0 6px;cursor:pointer}
.ep__speed option{color:#000}
.ep__ext{position:absolute;top:10px;right:10px;display:flex;gap:6px;opacity:.9}
.ep__ext .ep__btn{background:rgba(0,0,0,.55)}
.ep__empty{display:grid;place-items:center;height:100%;padding:20px;text-align:center;color:rgba(255,255,255,.75)}
.ep__resume{position:absolute;left:14px;top:14px;padding:8px 12px;border-radius:10px;background:rgba(0,0,0,.75);font-size:.82rem;display:flex;gap:10px;align-items:center}
.ep__resume button{border:0;background:var(--amber);color:#2B1D02;font-weight:700;border-radius:7px;padding:4px 10px;cursor:pointer}
.ep__resume button+button{background:transparent;color:#fff;text-decoration:underline}
/* mini player while scrolling */
.player__video.is-mini-slot{background:#000 repeating-linear-gradient(45deg,rgba(255,255,255,.03) 0 10px,transparent 10px 20px)}
.ep.is-mini{position:fixed;right:18px;bottom:96px;width:min(360px,calc(100vw - 36px));height:auto;aspect-ratio:16/9;z-index:1200;border-radius:14px;box-shadow:0 20px 50px rgba(0,0,0,.7);border:1px solid rgba(255,255,255,.15)}
.ep.is-mini .ep__btn[data-a="theater"],.ep.is-mini .ep__volwrap,.ep.is-mini .ep__speed{display:none}
.ep__close{display:none}
.ep.is-mini .ep__close{display:grid}
.ep:fullscreen{border-radius:0}
@media (max-width:600px){.ep__time{font-size:.7rem;margin:0 4px}.ep__btn{width:32px;height:32px}.ep__btn[data-a="back"],.ep__btn[data-a="fwd"]{display:none}}

/* ---------- calmer type scale (2026-09-15): headings were a step too large ---------- */
h2{font-size:clamp(1.6rem,2.7vw,2.3rem)}
h3{font-size:1.2rem}
.hero__title{font-size:clamp(2.1rem,3.9vw,3.3rem)}
.page-hero__title{font-size:clamp(1.8rem,3.3vw,2.7rem)}
.acc__id .page-hero__title{font-size:clamp(1.5rem,2.6vw,2.1rem)}
.player__body h2{font-size:clamp(1.3rem,2vw,1.7rem)}
.help__wrap h1{font-size:clamp(1.6rem,3vw,2.2rem)}
.legal__doc h2{font-size:clamp(1.35rem,2.2vw,1.75rem)}


/* ---------- nav dropdown: XER Tool ---------- */
.nav__drop{position:relative;display:flex;align-items:center}
.nav__drop-btn{display:inline-flex;align-items:center;gap:6px;background:none;border:0;padding:0;color:inherit;font:inherit;cursor:pointer;opacity:.82;transition:opacity .2s;white-space:nowrap}
.nav__drop-btn svg{width:12px;height:12px;transition:transform .25s}
.nav__drop:hover .nav__drop-btn,.nav__drop.is-open .nav__drop-btn,.nav__drop.is-active .nav__drop-btn{opacity:1}
.nav__drop.is-active .nav__drop-btn{box-shadow:0 8px 0 -6px var(--teal)}
.nav__drop.is-open .nav__drop-btn svg{transform:rotate(180deg)}
.nav__menu{position:absolute;top:calc(100% + 14px);inset-inline-start:-14px;min-width:250px;padding:8px;border-radius:14px;background:var(--ink-2);border:1px solid var(--line-dark);box-shadow:0 24px 50px -20px rgba(0,0,0,.6);display:grid;gap:2px;opacity:0;transform:translateY(-6px);pointer-events:none;transition:opacity .2s,transform .2s var(--ease);z-index:60}
.nav__menu::before{content:"";position:absolute;inset:-16px 0 auto;height:16px}
.nav__drop:hover .nav__menu,.nav__drop:focus-within .nav__menu,.nav__drop.is-open .nav__menu{opacity:1;transform:none;pointer-events:auto}
.nav__links .nav__menu a{display:grid;gap:2px;padding:10px 12px;border-radius:10px;opacity:1;color:#E6EEF3}
.nav__links .nav__menu a::after{display:none}
.nav__menu a:hover{background:rgba(255,255,255,.06)}
.nav__menu a b{font-weight:600;font-size:.92rem}
.nav__menu a small{font-size:.76rem;color:rgba(230,238,243,.6);font-weight:400}
@media (max-width:860px){
  .nav__drop{display:grid}
  .nav__drop-btn{padding:14px clamp(18px,4vw,40px);font-size:1.05rem;justify-content:flex-start;width:100%}
  .nav__menu{position:static;min-width:0;opacity:1;transform:none;pointer-events:auto;background:none;border:0;box-shadow:none;padding:0 0 6px;display:none}
  .nav__drop.is-open .nav__menu{display:grid}
  .nav__links .nav__menu a{padding:10px clamp(34px,6vw,60px)}
  .nav__menu a small{display:none}
}

/* ---------- XER Viewer (placeholder until the full viewer ships) ---------- */
.xv__soon{display:inline-flex;align-items:center;gap:8px;padding:4px 12px;border-radius:999px;border:1px solid rgba(244,180,0,.45);color:var(--amber);font:600 .78rem var(--font-mono);letter-spacing:.06em;margin-bottom:14px}
.xv__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:20px}
.xv__card{background:var(--glass);border:1px solid var(--glass-border);border-radius:16px;padding:16px 18px}
.xv__card h3{margin:0 0 4px;font-size:1rem}
.xv__card p{margin:0;color:var(--muted);font-size:.86rem}
.xv__card b{font-family:var(--font-mono);color:var(--amber)}
.xv__tables{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.xv__tables span{font:500 .76rem var(--font-mono);padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--glass-border)}
.xv__tables span b{color:var(--amber);margin-inline-start:6px}

/* exam: lighter question change (fade + small lift instead of a full card entrance) */
@keyframes qswap{from{opacity:.35;transform:translateY(6px)}to{opacity:1;transform:none}}
.qcard.is-swap{animation:qswap .22s ease-out}
.opt{transition:border-color .18s,background-color .18s,box-shadow .18s,transform .15s}
.opt .opt__key{transition:background-color .18s,color .18s}
/* exam: on Next/Previous only the question and its options fade in; the top bar and card stay still */
@keyframes qfade{from{opacity:0}to{opacity:1}}
.qcard.is-swap{animation:none}
.qcard.is-swap #qText,.qcard.is-swap #qOpts,.qcard.is-swap #qImg{animation:qfade .16s ease-out}


/* ---------- XER Viewer page (the add-in's viewer in a frame) ---------- */
.xv-hero.is-compact{display:none} /* the viewer takes the screen once a file is open; 'Open another XER' replaces the drop zone */
.xv{padding-inline:clamp(12px,2vw,28px);padding-block:18px 50px}
.xv__bar{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:12px}
.xv__file{display:grid;gap:2px;min-width:0}
.xv__file b{font-family:var(--font-display);font-size:1.15rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.xv__file small{color:var(--muted);font-family:var(--font-mono);font-size:.76rem}
.xv__controls{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.xv__pick,.xv__check{display:inline-flex;align-items:center;gap:6px;font-size:.84rem;color:var(--muted)}
.xv__check input{accent-color:var(--amber)}
.xv__stage{position:relative;height:calc(100vh - 150px);min-height:520px;border-radius:14px;overflow:hidden;border:1px solid var(--glass-border);background:#f4f7fa}
.xv__stage:fullscreen{border-radius:0;height:100vh}
.xv__stage iframe{position:absolute;inset:0;width:100%;height:100%;border:0;background:#f4f7fa}
.xv__busy{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:12px;color:#2c3e50;font-weight:600;background:#f4f7fa}
.xv__busy.is-bad{color:#c0392b}
.xv__spin{width:22px;height:22px;border-radius:50%;border:3px solid rgba(44,62,80,.2);border-top-color:#f4b400;animation:xvspin .8s linear infinite}
.xv__busy.is-bad .xv__spin{display:none}
@keyframes xvspin{to{transform:rotate(360deg)}}
.xv__note{margin-top:12px;font-size:.84rem;color:var(--muted)}
@media (max-width:700px){.xv__stage{height:78vh}}